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Published on: January 19, 2022
Feedback signals in the caudate reflect goal achievement on a declarative memory task
Elizabeth Tricomi1, Julie A Fiez
1Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, Center for the Neural Basis of Cognition, Pittsburgh, PA, USA. etricomi@caltech.edu <etricomi@caltech.edu>
Neuroimage
|May 1, 2008
Summary
The caudate nucleus responds more strongly to feedback earned through performance than arbitrary information. This suggests caudate activation in memory tasks is context-dependent and linked to goal achievement.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Decision Making
Background:
- The striatum, particularly the caudate nucleus, is crucial for processing reward and performance feedback.
- The precise nature of feedback driving caudate responses remains unclear, as feedback can convey multiple types of information.
Purpose of the Study:
- To investigate whether caudate nucleus activation differs based on the type of performance feedback received.
- To determine if caudate responses are driven by feedback related to goal achievement versus arbitrarily informative feedback.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed to measure caudate activation.
- A paired associate word-learning task with feedback was used across three rounds of trials.
Main Results:
- The caudate nuclei showed significant engagement only during the later rounds of the task.
- This heightened activation occurred when feedback accurately reflected participants' memory-based performance and goal achievement.
Conclusions:
- Caudate nucleus activation is context-dependent in feedback-based learning.
- The caudate is more strongly engaged by feedback that is earned through performance and linked to goal achievement.
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