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Striatal activity is modulated by target probability.

Nicholas Hon1

  • 1Department of Psychology, National University of Singapore, Singapore, Singapore.

Neuroreport
|May 13, 2017
PubMed
Summary
This summary is machine-generated.

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The striatum, a brain region, is highly responsive to target probability, influencing how salient information is processed. This finding clarifies the striatum's role in task-relevant information gating.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Computational Neuroscience

Background:

  • Target probability influences neural activity, particularly in the prefrontal cortex.
  • The impact of target probability on subcortical structures like the striatum remains less understood.

Purpose of the Study:

  • To investigate the neural effects of target probability on the striatum.
  • To elucidate the striatum's role in processing task-relevant information based on probability.

Main Methods:

  • Neuroimaging techniques to measure brain activity.
  • Experimental manipulation of target probabilities during a task.

Main Results:

  • The striatum demonstrated significant responsiveness to varying target probabilities.

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  • Lower probability targets elicited distinct striatal activation patterns compared to higher probability targets.

    • Conclusions:

    • The striatum plays a crucial role in gating salient information based on target probability.
    • Different striatal subregions may process distinct types of task-relevant information.