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Pragmatic Neuroethics: Lived Experiences as a Source of Moral Knowledge

Published online by Cambridge University Press:  10 September 2018

GABRIELA PAVARINI  and
ILINA SINGH
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Abstract:

In this article, we present a pragmatic approach to neuroethics, referring back to John Dewey and his articulation of the “common good” and its discovery through systematic methods. Pragmatic neuroethics bridges philosophy and social sciences and, at a very basic level, considers that ethics is not dissociable from lived experiences and everyday moral choices. We reflect on the integration between empirical methods and normative questions, using as our platform recent bioethical and neuropsychological research into moral cognition, action, and experience. Finally, we present the protocol of a study concerning teenagers’ morality in everyday life, discussing our epistemological choices as an example of a pragmatic approach in empirical ethics. We hope that this article conveys that even though the scope of neuroethics is broad, it is important not to move too far from the real life encounters that give rise to moral questions in the first place.

Keywords

neuroethicsmoralityyoung peoplepragmatismmoral behavior
Type
Symposium: Competing Identities of Neuroethics
Information
Cambridge Quarterly of Healthcare Ethics , Volume 27 , Special Issue 4: Clinical Neuroethics , October 2018 , pp. 578 - 589
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
Copyright © Cambridge University Press 2018

The study of morality…ceases to lust after timeless foundational principles in order to ask what actions and forms of social organization will best foster the flourishing of our biological and social natures.Footnote 1

Neuroscience is traditionally committed to a descriptive understanding of brain, mind, and behavior, and conventionally grounded in empirical approaches. Ethics, on the other hand, commits itself to the complex normative question of how a good life should be lived. Unlike the science of the brain, ethics has traditionally relied on reason and argument as key methodological tools. Neuroethics, then, is a marriage of apparently mismatched partners. However, as in many marriages, each partner brings something to the table, making up what the other lacks in knowledge or skill. This article is an attempt to demonstrate the value of an integration of the normative and the empirical in neuroethics, through the framework of a pragmatic approach.

The Pragmatic Approach in Neuroethics

The pragmatic approach has been variously interpreted, but it is perhaps at its core a “protest” against principlism and “foundationalism,” or the idea that knowledge can be grounded in a priori methods of inquiry (such as an appeal to abstract duties and obligations). A key disagreement within pragmatism is about the nature of “the good”; this is most clearly illustrated by the debate between the philosophers Richard RortyFootnote 2,Footnote 3 and Hilary Putnam.Footnote 4,Footnote 5 Where Rorty defends a position of moral relativism that some associate with postmodernism, Putnam, following John Dewey and William James, insists that a “common good” can be discovered, under a precondition of democracy. Glenn McGeeFootnote 6 resolves the problem of the nature of morality by appealing to a “philosophic naturalism” that also refers back to John Dewey’sFootnote 7 formulation of the bios as the foundational architecture of an organism’s potential for flourishing. A pragmatic account of philosophic naturalism makes the following claims:

  • • The “spectator” theory of knowledge cannot lead to correct understanding

  • • The knower and the known are part of nature, and dynamically intertwined

  • • One cannot confront moral problems as separate from daily experiences; the context of moral decisionmaking is crucial

  • • Notions of the right and the good can and will change over time; moral truth is not absolute

Pragmatism is an appropriate empirical approach in neuroethics, in part because it accepts science as having legitimate claims and methods. From a pragmatic perspective there are “facts” about human beings that shape their moral capacities; for example, the evolution of sociality and language, and the structure of cognitive development. At the same time, however, the claims set out here underline important epistemological limitations: “facts” about humans and the natural world are never received independently of human observation and interaction. For John Dewey, the task of pragmatic philosophy is to identify the moral issues at stake in a particular context, and to ask what forms of social life foster human flourishing. Dewey believed that a “common good” is discoverable, but that it requires systematic methodological inquiry and that the methodological approach must bridge philosophy and the social sciences, as follows:

  1. 1) Identify a “felt difficulty”

  2. 2) Describe its location and definition

  3. 3) Suggest a possible solution

  4. 4) Develop by reasoning the consequences of the suggestion

  5. 5) Engage in further observation and experimentation leading to acceptance or rejection of the suggested solution

Importantly, for Dewey, moral thought can be expressed as hypotheses, which can be subjected to ongoing experimental testing that should confirm, deny, or refine those hypotheses. In the present article, we approach neuroethics from this pragmatic ethical perspective, dividing the discussion according to the two familiar divisions of neuroethics: the “neuroscience of ethics” and the “ethics of neuroscience.”Footnote 8 The former refers to the study of psychobiological mechanisms for morally relevant phenomena, including moral judgments, social emotions, selfishness, and prosocial behavior,Footnote 9,Footnote 10 and the latter concerns the study of ethical implications of progress in neuroscience and neighboring disciplines.Footnote 11,Footnote 12

In the following sections, we examine both domains of neuroethics from a pragmatic ethical perspective, briefly outlining the experimental data on moral cognition and action, and the use of empirical ethics to investigate moral behavior and experiences related to neuroscience intervention and innovation. We examine how neuroscientific evidence may be relevant to normative analysis, and how the “ethics of neuroscience” may be approached from an empirical standpoint. Finally, we describe a study concerning teenagers’ moral experiences, elucidating our epistemological choices and methodological strategies as an example of a pragmatic approach in empirical ethics.

The “Moral Brain” and its Relevance to Normative Analysis

Functional imaging and patient studies have enriched our understanding of human morality by unravelling networks of brain regions implicated in moral cognition.Footnote 13,Footnote 14 One remarkably consistent finding is that judgments of both moral violations and virtuous behavior engage brain areas involved in emotional processing.Footnote 15,Footnote 16,Footnote 17 This suggests, as philosopher David Hume had long proposed, that the distinction between right and wrong cannot be made by reason alone. Another important finding in moral neuroscience is that morality is multidimensional: partially dissociated neural systems seem to underlie judgments of different moral transgressions, such as acts of intentional harm, sexual deviance, and dishonesty.Footnote 18,Footnote 19,Footnote 20

Beyond moral thinking, a substantial body of psychological and neuroscientific literature has investigated moral action, including prosocial and antisocial behavior. These studies have described a series of genetic and environmental factors that predict moral virtue and wrongdoing. For example, there is evidence that early exposure to social adversity, including poverty, violent crime, and abusive parenting, is a key risk factor for antisocial behavior,Footnote 21,Footnote 22,Footnote 23,Footnote 24 and that certain genotypes (e.g., a functional polymorphism in the gene encoding neurotransmitter-metabolizing enzyme monoamine oxidase A) can moderate children’s sensitivity to social risk.Footnote 25,Footnote 26 There is also evidence that prosocial and affiliative tendencies can be predicted from genotypic variations (e.g., variations of the oxytocin receptor gene),Footnote 27,Footnote 28 as well as environmental factors such as supportive parenting and availability of prosocial role models.Footnote 29

Are such neuroscientific findings a valid basis from which to infer normative conclusions? Without ignoring the distinction between facts and values, or the “is” of science and the “ought” of ethics,Footnote 30 we believe that neuroscientific evidence does bear relevance to normative analysis. A clear-cut example is that of research on factors that promote or preclude moral behavior, which shapes practice in clinics, schools, and the justice system as well as government funding priorities. However, scientific research alone does not reveal what one “ought” to do. For example, empirical studies may provide a metric for calculating risk for violent behavior, and describe possible outcomes of intervention initiatives, but would not directly answer the question of whether it is right or wrong to assess risk or to intervene. Empirical studies can, however, help test arguments that have been put forward in support of or against normative decisions in a particular context. To take the example given, one argument against assessing individuals (and informing them about) biological risk is stigmatization. In response to this argument, empirical studies can seek evidence as to whether this concern is well founded, and describe the boundary conditions. This particular approach in neuroethics, which attempts to integrate the normative and the empirical, will be explored in greater detail in the following section.

Another possible contribution of neuroscientific research to normative analysis is to clarify where moral judgments come from and how they work. One interesting example concerns moral judgments of behaviors that potentially taint the purity of the body, such as cannibalism, incest, and bestiality. Exposure to these (hypothetical) scenarios was found to recruit unique brain areas that are not activated during other types of moral judgments.Footnote 31,Footnote 32 Moreover, the revulsion that participants report in reaction to these scenarios was found not to vary as a function of the harm involvedFootnote 33,Footnote 34 or of the protagonists’ intentions;Footnote 35,Footnote 36,Footnote 37 furthermore, initial judgments persevered in the face of contradicting evidence.Footnote 38 Is disgust a valid and justifiable basis for moral condemnation? These studies do not directly address this matter. However, they prompt ethicists and lawmakers to consider the potential influence of this emotion in legal regulation of human practices that relate to the physical body, including surrogacy, prostitution, and organ trading.

Another scientific finding in the field of morality that bears relevance to normative analysis is that of the contextual dependence of moral cognition. Anecdotal and empirical research suggest considerable variability in moral judgments across time and place: what is a mere breach of convention for one group is a serious transgression for another.Footnote 39 Cultural differences are also noticeable at a neurobiological level. For example, a recent study found that different areas of the brain were recruited by Chinese and American participants during the experience of moral emotions (e.g., admiration for someone’s virtue).Footnote 40 Another study found that a specific polymorphism of the oxytocin receptor gene, which has been consistently implicated in socio-emotional sensitivity, only predicted support-seeking behavior in American contexts but not Asian contexts.Footnote 41

These findings prompt us to reevaluate preconceptions of morality, and to accept that perhaps scientific studies of moral judgment and emotion can only provide us with variable conclusions. Concurrently, any academic endeavor that aims to address what is right and wrong cannot be unbiased, as it will be limited by academics’ own moral-cognitive architecture. Any attempts to find solutions for moral problems should, therefore, take these limitations, and the social context, very seriously. Across the globe, from schools to justice systems, from parenting to medical care, normative claims should be made with reference to what the context affords, and to culturally specific conceptions of the good and the good society.

Ethics of Neuroscience and the Value of Empirical Approaches

A second—and not completely distinct—branch of neuroethics centers on ethical implications of advances in neuroscience to the individual and society as a whole. This subfield has been constructed mainly by ethicists, philosophers, law theoreticians, and social scientists. Several ethical issues have been voiced. One set of concerns, for example, surrounds neuropharmacological interventions to improve cognitive and emotional functions in healthy humans. Challenges range from the possible threats that these interventions pose to people’s authenticity, to questions of fairness and ethical implications for society at large.Footnote 42 A second set of concerns derive from (the possibility of) using biomarkers to predict psychopathology and very early interventions to prevent cognitive and social difficulties.Footnote 43,Footnote 44 Ethical issues include the possibility of the early label becoming a self-fulfilling prophecy, and the question of whether such interventions impose a definition of authentic living and contravene a child’s “right to an open future.”

Another line of research centers on implications of advanced neuroscience to people’s self-concepts and attributions of intention and responsibility. For example, does neuroscience encourage a view of the self that is based in biology, and does it increase or reduce stigma attached to particular psychopathologies?Footnote 45 Similarly, does accurate neuroprediction of human choices reduce people’s sense of agency and free will?Footnote 46,Footnote 47 These questions have important real-world implications for the ways in which we choose to reward or punish individuals for their actions. For example, would a “brain-disordered” individual be equally responsible, and deserving of equal punishment for a moral transgression, as a typically functioning person?Footnote 48

These themes have been debated on both empirical and theoretical grounds. Even though the broader field of bioethics has traditionally drawn upon normative reasoning using tools and approaches from philosophy, the discipline has taken an “empirical turn.”Footnote 49,Footnote 50 Leading voices of this movement, for the most part sociologists, have stressed the need for contextualized ethical analysis, grounded in the experiences and attitudes of different stakeholders.Footnote 51.Footnote 52,Footnote 53 These researchers advocated for the need of empirical research studies that are specifically designed to inform a particular bioethical debate, and whose results could in turn affect policy and practice within contextual boundaries.

This general advice has certainly been taken on board by neuroethicists, who are increasingly adopting empirical approaches. One example is that of research on the ethical issues associated with genotyping individuals for risk of Alzheimer’s disease. Considerable empirical efforts have been dedicated to addressing possible concerns that may influence the development of laws and regulations. For example, Robert Green et al.Footnote 54 have looked at whether participants told about a risky genotype (vs. a control, nondisclosure group) experience distress and anxiety as a result. Others have examined laypeople’s views about taking such tests and their level of interest in doing so,Footnote 55,Footnote 56,Footnote 57 and have gathered psychiatrists’ moral attitudes regarding the use of these tests and patient safeguards.Footnote 58 These pieces of research are timely, given that direct-to-consumer saliva-based tests that allow individuals to independently ascertain their risk of developing a disease or disorder are already available in several countries.

How do normative claims arise from empirical data, and when is the evidence sufficient for making such claims? At present, there is no agreement among neuroethicists regarding how the empirical and the normative should be articulated.Footnote 59 In a systematic review of empirical bioethics methodologies, Rachel Davies, Jonathan Ives, and Michael DunnFootnote 60 found striking variation in how much weight is placed on data versus theory, and in the way that researchers articulate normative conclusions. Using one approach, normative conclusions arrive before data collection finishes; that is, stakeholders and researchers engage in dialogue and reach a shared normative conclusion or solution to a particular problem. An alternative approach consists in collecting stakeholders’ perspectives, but analyzing data and drawing normative conclusions independently. It is very important that ethicists are aware of the different ways that normative justifications can arise from an empirical process in order to make methodological choices that are optimal for the research question at hand and the types of normative claims they wish to produce, and that align with their own theoretical approaches.

Because of its inherent interdisciplinarity, the field of neuroethics is also methodologically diverse. The lack of commitment to a common orientation or paradigm allows for a full range of methodological possibilities, from participant observation to qualitative interviews, from quantitative surveys to participatory action research. This lack of consistency should not, however, lessen methodological rigor and scientific quality. Again, it is essential that empirical neuroethicists have a solid and comprehensive understanding of research methods and that they are critical and reflexive about their methodological choices. When a research design is realized in this frame of mind, methodological flexibility within bioethics turns into an opportunity for generating novel methods that cross disciplinary boundaries.

Despite the methodological plurality, empirical neuroethicists share a common assumption: that ethics is rooted in the context in which it is lived and that ethical commitments are formed through lived encounters. This assumption has methodological implications: moral attitudes and intuitions that are collected during the research process are also contextually sensitive. In fact, even the wording and framing of hypothetical moral dilemmas presented to research participants (e.g., kill vs. save) can impact on their reported intuitions.Footnote 61 Moral judgments are also subject to social influence;Footnote 62 therefore, it matters whether participants are asked to complete the study alone or in a group setting. It also matters whether the group includes hierarchical relationships (e.g., physicians and patients) given that even momentary feelings of social power (or the lack thereof) can influence moral judgments.Footnote 63 It is important that neuroethicists acknowledge that methodological choices are not independent of the target phenomenon, and that an explicit effort is taken to reflect on how one’s choices may have shaped the research findings and constrained their interpretation. This process may be better explored through an example of a real research study, which will be presented in the following section.

Teenagers’ Moral Experiences in Everyday Life: An Empirical Ethics Study

To illustrate some of the aspects discussed in this article, we present a case study of empirical ethics research conducted as part of a Wellcome Trust-funded project entitled: “Becoming Good: Early Intervention and Moral Development in Child Psychiatry”. The study, Digital Diaries: Young People’s Moral Experiences in Everyday Life, investigates moral experiences of 12–18-year-olds using a digital diary methodology (i.e., participants reporting on moral experiences in real life settings using mobile devices). The study aims at identifying what young people consider to be “right” and “wrong” behavior in themselves and others, and what moral domains are relevant in their everyday lives (e.g., trust, loyalty, authenticity).

This study was designed partially in response to the overwhelming focus on children’s and teenagers’ character education in England over the past 10 years.Footnote 64 It is now widely accepted that schools should contribute not only to the acquisition of skills and competences but also to morality and character development,Footnote 65,Footnote 66,Footnote 67 and large government grants have been awarded to support projects that aim to enhance children’s moral traits, including generosity, respect, honesty, and self-control.Footnote 68 There is strong hope that promoting these traits can positively impact the physical and financial health of the population, and reduce criminal offending.Footnote 69,Footnote 70,Footnote 71 Despite such strong focus on character development, we found it surprising that the literature still lacked an understanding of young people’s own views vis-à-vis morality: what do they consider good and bad in their actions and those of others?

As advances in neuroscience and genetics progressively bring us closer to employing invasive, long-lasting interventions that may profoundly shape children’s moral and behavioral development at early stages,Footnote 48 we and others find that there is little or no understanding of young people’s perspectives on such interventions. This situation contravenes the United Nations Convention for the Rights of the Child,Footnote 72 which states that children have the right to express their own views in all matters that affect them. The moral problem that prompted our research was formulated in this lacuna in understanding: young people ought to be provided an opportunity, and enabled, to contribute to the design of interventions aimed at shaping moral character and intervening in “bad” behavior. Because of the lack of prior research in this area, the question driving our investigation is foundational: What are young people’s beliefs, attitudes, and values in response to the question, what does it mean to be “good”?

Drawing on the pragmatic approach, we generated several hypotheses to test in the study. We largely wanted the understanding of moral virtue to be generated from the data; therefore, our hypotheses are necessarily general. As we are also testing the feasibility of the method, we included this in our set of hypotheses as well:

  1. 1) Daily diary methodology will provide a reliable tool for data collection on young people’s everyday moral experiences

  2. 2) Online, phone-based data collection methodology will be accessible and interesting for young people involved in the research

  3. 3) Young people will be able to identify and to report multiple instances of morally good and bad behavior over the course of a week

  4. 4) Young people’s understanding of morally good and bad behavior will be moderated by immediate context (e.g., who is around them at the time) and by broader environment (e.g., their sociocultural position)

  5. 5) Young people’s reported moral behavior will vary across and within individuals

In what follows, we describe our protocol and the rationale behind some of our key methodological choices, as an illustrative case of the challenges involved in designing empirical ethics research.

We designed the study in such a way that data collection would be fully completed online through participants’ own mobile phones. Each participant received daily text messages for 4 consecutive days with a link to a short survey about morally relevant experiences. Once each day, they were asked to briefly describe (in free text form) anything that they had done over the past 24 hours that they thought was good or admirable, and anything they had done over the same period that they thought was bad or wrong. They were also asked to report on anything good or admirable and anything bad or wrong that they may have seen others doing toward themselves or third parties. Finally, they were asked to describe their thoughts and feelings in each situation. Participants were not given a definition of morality, or examples of “good” and “bad” behavior; they were asked to write honestly and openly and speak from their own perspective.

A few issues motivated us to perform this study online and using momentary ecological assessment. One is the dynamic and malleable nature of morality and high intra-individual variation. For example, there is evidence to suggest that when individuals perform what they consider to be a “good deed” they are more likely to subsequently engage in antisocial behavior without worrying about feeling or appearing selfish, a phenomenon named “moral self-licensing.”Footnote 73,Footnote 74 A cross-sectional, one-time assessment of moral attitudes would not only be less reliable, but would also prevent us from examining how potentially interesting moral dynamics unfold over time.

Diary methods and momentary longitudinal assessments have been used widely in psychological research as a method for understanding how thoughts, feelings, physiological states, and behavioral patterns unfold in ordinary life. It has been used to assess changes in well-being,Footnote 75 mental health symptoms,Footnote 76,Footnote 77 physiological stress,Footnote 78 and physical mobility,Footnote 79 among many others. Despite its recent popularity, there has been only a handful of studies in which this method was adopted to assess morally relevant behavior.Footnote 80,Footnote 81

Our study adopts a specific type of momentary assessment that has been titled “Daily Reconstruction Method” (DRM).Footnote 82 DRM prompts participants to report on experiences that happened within a time frame (in our case, the past 24 hours) instead of “in the moment” that the signal arrives. We considered that having one signal per day would not only reduce the burden of repeated measurements, but would also allow us to gather richer reports that covered full-fledged, uninterrupted moral experiences.

A second reason for adopting this methodology was that moral behavior tends to be sensitive to privacy. For example, psychological research has repeatedly suggested that individuals are reluctant to act unethically when being watched. In laboratory settings, participants were more likely to cheat when they thought the act would be completely private.Footnote 83,Footnote 84 Another study found that the frequency of littering at a British university cafe was reduced to half when subtle cues of being watched (i.e., posters displaying images of eyes) were present in the environment,Footnote 85 compared with a control condition (i.e., posters featuring flowers). This research motivated us to adopt a highly private methodological tool: a survey to be completed on one’s mobile phone shortly after the relevant action, and in the absence of an experimenter (or other people) and to be submitted anonymously. We hoped that this would allow participants to report a greater number of misdeeds, and to be open about their intentions.

It is worth noting that we do not claim that our approach is free of bias. For example, morality may change just by virtue of reflecting on it. Indeed, experimental studies have suggested that reflecting on one’s moral qualities can activate participants’ moral identity and inspire value-consistent behavior.Footnote 86,Footnote 87 In one study, participants who were asked to write down “what they were grateful for” exhibited an increase in well-being over the course of a week.Footnote 88 Similarly, participants may adjust their behavior simply by virtue of knowing that someone they know is taking part in the study (e.g., if participants are recruited through schools). As previous research suggests, individuals not only strive to maintain a positive moral image,Footnote 89,Footnote 90 but also compare their moral standing to that of others.Footnote 91

With respect to the study’s goals, we did not design this study aiming to answer the question of what morality is, but we did hope to achieve an understanding of what is considered morally relevant by teenagers in different contexts. As we apply this study and methodology to different communities and groups, we hope to gather a rich understanding of how conceptions of good and bad depend on teenagers’ environment and life experiences. Therefore, an ecological analysis of teenagers’ responses with reference to their social context, age, history, and status is a key part of our data processing and interpretation, along with an analysis of the contextual limitations of the study itself, and what could have been achieved via alternative methods. Finally, we also hoped that this research study would help us to achieve a fuller understanding of teenagers as developing agents and citizens, and the ways in which they view and construct their moral lives.

Concluding Remarks

We have reflected on the link between empirical methods and normative questions, using as our platform recent neuropsychological and bioethical research into moral cognition, action, and experience. We hope to have demonstrated (1) the normative value of a scientific understanding of the moral brain, and (2) the value of empirical approaches in the examination of related neuroethical dilemmas. We have argued that a pragmatic approach allows for integration of the normative and the empirical in neuroethics, a challenge that refers back to John Dewey, and his articulation on the “common good” and its discovery through a systematic experimental approach. This approach involves the acknowledgement that the research object (in this case, moral attitudes and decisions) is not independent of the observer, and that methodological choices can powerfully affect what is observed. The pragmatic approach also involves an acknowledgement that notions of right and wrong are dependent on historical and cultural contexts. A consideration of such contextual factors should be central to the empirical effort to understand moral decisionmaking and to address normative questions.

At a very basic level, the pragmatic approach considers that morality is not dissociable from lived experiences and everyday conduct. The case study we offer as illustration of a pragmatic approach argues that morality unfolds in everyday experiences: quarrelling with someone who has betrayed one’s trust, rescuing a friend who is in terrible danger, choosing to flee one’s home country to escape war. The scope of neuroethics is appropriately broad, but we should be careful not to move too far from the real life encounters that gave rise to moral questions in the first place. Our project also has a broader goal, to bring young people into neuroethics debates by developing systematic tools, in partnership with young people, that allow Deweyian hypothesis testing and iteration at scale. The study we have presented here represents a first step in a series of studies, in which we build ever more elegant and grounded models and tools for investigation of young people’s moral experiences and attitudes, as these relate to medical and neuroscience innovation and intervention.

Footnotes

This article is supported by a Wellcome Trust Senior Investigator awarded to Ilina Singh for a project entitled “Becoming Good: Early Intervention and Moral Development in Child Psychiatry (104825/Z/14/Z).”

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Notes

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