The processing of emotional stimuli during periods of limited attentional resources in schizophrenia

Journal of Abnormal Psychology
Gregory P StraussJames M Gold

Abstract

When participants are asked to attend to two target stimuli in a rapid serial visual presentation sequence, the successful identification of the 1st target (T1) leads to transient impairment in reporting the 2nd target (T2)--this effect is known as the attentional blink (AB). In healthy individuals, this AB effect is either diminished or accentuated when emotional stimuli are presented in the T2 or T1 positions, respectively, suggesting that affective content influences bottom-up (i.e., exogenous) attention. In the current study, we conducted two separate experiments using the Emotional Attentional Blink paradigm where emotional words were presented in the T2 or T1 position to determine whether schizophrenia patients with high and low negative symptoms differ from controls in the extent to which emotional stimuli influence bottom-up attentional processes. Participants included 33 schizophrenia patients and 28 controls in Experiment 1 (T2 Task), and 30 schizophrenia patients and 24 controls in Experiment 2 (T1 Task). In both experiments, patients were divided into high (HI-NEG) and low (LOW-NEG) negative symptom subgroups using the Scale for the Assessment of Negative Symptoms. Results of Experiment 1 indicated that controls and...Continue Reading

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Citations

Jan 21, 2016·Cognitive Neuropsychiatry·Seon-Kyeong JangKee-Hong Choi
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Feb 14, 2021·Biological Psychology·Pablo NavalónAna García-Blanco

Related Concepts

Mental Concentration
Regret
Photic Stimulation
Schizophrenia
Schizophrenic Psychology
Nested Case-Control Studies
Social Anhedonia
Attention
Emotions
Up-Regulation (Physiology)

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