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Updated: Jul 5, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates
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Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

Value representations in the primate striatum during matching behavior.

Brian Lau1, Paul W Glimcher

  • 1Center for Neural Science, New York University, New York, NY 10003, USA. blau@cns.nyu.edu

Neuron
|May 10, 2008
PubMed
Summary
This summary is machine-generated.

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Neurons in the striatum encode action values and chosen values during decision-making. Different neuron populations signal action-specific values before movement and chosen values after movement.

Area of Science:

  • Neuroscience
  • Decision-making
  • Striatal function

Background:

  • Selecting optimal actions necessitates understanding potential outcomes.
  • The striatum is implicated in representing action values.
  • Phasically active neurons (PANs) in the striatum are key to understanding neural computations.

Purpose of the Study:

  • To investigate the role of striatal neurons in representing action values during a choice task.
  • To differentiate neural signals related to available action values versus chosen action values.

Main Methods:

  • Monkeys performed an oculomotor choice task.
  • Neural activity of striatal phasically active neurons (PANs) was recorded.
  • Correlation analysis was used to link PAN activity with action-values and chosen-values.

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Related Experiment Videos

Last Updated: Jul 5, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents
09:01

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents

Published on: July 8, 2015

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Main Results:

  • Two distinct populations of striatal PANs were identified: action-value and chosen-value neurons.
  • Action-value PANs encoded estimates of available actions, observed before movement execution.
  • Chosen-value PANs encoded the value of the selected action, observed after movement execution.

Conclusions:

  • Striatal PANs play distinct roles in decision-making and reward evaluation.
  • Some PANs contribute to choice by encoding available action values.
  • Other PANs contribute to learning by encoding chosen action values for evaluative updating.