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Emotional Stop Cues Facilitate Inhibitory Control in Schizophrenia
Published online by Cambridge University Press: 07 November 2019
Abstract
Inhibitory control is a key deficit in patients with schizophrenia. This study aims to test whether emotions can facilitate inhibition in patients with schizophrenia when they increase attention to inhibitory process.
A total of 36 patients with schizophrenia and 36 healthy controls completed an emotional stop-signal task. The task involved selective responses to “Go” stimuli and stopped response when emotional or neutral stop cues occurred.
In all conditions, patients with schizophrenia took longer time to inhibit response compared with healthy controls, indicating an overall impairment in response inhibition. Importantly, patients with schizophrenia and controls acquired similar size of benefit from the negative stop cues, showing as reduced reaction time to negative than neutral stop cues. However, the negative stop cues impaired subsequent Go performance only in patients with schizophrenia, indicating additional cost of the negative stop cues for patients with schizophrenia. In both groups, the positive stop cues did not have any significant influence on response inhibition.
These findings provide novel evidence for the benefit of emotional stop cues on inhibitory control in patients with schizophrenia and reveal different after-effects of emotional enhancement effect in patients and healthy populations. The findings may help develop effective interventions for improving inhibitory control in patients with schizophrenia and other clinical populations.
Keywords
- Type
- Regular Research
- Information
- Journal of the International Neuropsychological Society , Volume 26 , Issue 3 , March 2020 , pp. 286 - 293
- Copyright
- Copyright © INS. Published by Cambridge University Press, 2019
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