The Emotional Stroop task: a comparison between schizophrenic subjects and controls.

Area of Science:

• Cognitive Psychology
• Neuroscience
• Psychiatry

Background:

• The Emotional Stroop task (ES task) measures attention-emotion interference.
• Schizophrenia is associated with cognitive deficits, including attention.
• The impact of emotional stimuli on attention in schizophrenia requires further investigation.

Purpose of the Study:

• To assess attention modification by emotional words in schizophrenia patients compared to controls.
• To investigate if negative symptoms in schizophrenia correlate with greater impairment from negative emotional words.

Main Methods:

• Utilized the colour-word Emotional Stroop task (ES task).
• Measured reaction times to emotional and neutral words in schizophrenia patients (n=21) and controls (n=20).
• Assessed clinical variables including PANSS negative symptoms and anhedonia scores.

Main Results:

• Schizophrenia patients generally exhibited slower reaction times than controls.
• Both groups showed slower reaction times to emotional words compared to neutral words.
• No significant differences in reaction times were found between negative and positive emotional words in either group, even in patients with severe negative symptoms.

Conclusions:

• Schizophrenia patients demonstrate comparable levels of emotional word interference as healthy controls.
• Negative symptoms in schizophrenia do not appear to differentially affect the processing of positive versus negative emotional words.