Iowa Gambling Task EEG Recordings from 20 Healthy Subjects

20 healthy right-handed subjects performed the Iowa Gambling Task while their cerebral activity was recorded by electroencephalography. The dataset distinguishes between 9 subjects who developed a Favorable strategy and 11 who remained Undecided, capturing neurophysiological correlates of decision-making. It includes EEG data from before deck selection and during feedback processing, with identified differences in P200, P300, and medial frontal gyrus activity.

Use Cases

• Analyze EEG waveforms like P200 and P300 attenuation in the Undecided group during feedback processing.
• Compare neural activity from the right superior frontal gyrus 600 ms before disadvantageous selections across Favorable and Undecided groups.
• Investigate the P300 response originating from the medial frontal gyrus in the Favorable group following monetary loss feedback.
• Model the relationship between behavioral performance on the Iowa Gambling Task and EEG-recorded cerebral activity from 20 subjects.

Strengths

• Contains neurophysiological data from 20 subjects performing a controlled monetary decision-making task.
• Clearly defines two behavioral groups (9 Favorable, 11 Undecided) based on task performance for comparative analysis.
• Identifies specific EEG components (P200, P300) and brain regions (right superior frontal gyrus, medial frontal gyrus) linked to decision outcomes.

Limitations

• Small sample size of 20 subjects limits statistical power and generalizability of findings.
• Study population is restricted to healthy, right-handed individuals, which may not represent broader populations.
• The temporal coverage is a single experimental session, lacking longitudinal data on strategy development.

Provenance

Source

Dryad digital repository.

Collection Method

Electroencephalography (EEG) recordings from subjects performing the Iowa Gambling Task in a controlled study.

Freshness

Data was last updated in June 2020.