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Updated: Jun 17, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

An instrumented glove for small primates.

Simon A Overduin¹, Farah Zaheer, Emilio Bizzi

¹Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. overduin@mit.edu

Journal of Neuroscience Methods

|December 26, 2009

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A novel flex sensor glove accurately measured primate hand movements, showing preserved performance and object discrimination capabilities comparable to muscle activity recordings.

Area of Science:

Neuroscience
Biomechanics
Primate research

Background:

Accurate measurement of hand kinematics is crucial for understanding primate motor control.
Existing methods may be invasive or lack precision for dynamic tasks.

Purpose of the Study:

To introduce and validate the Cymanus, a novel flex sensor glove for measuring primate hand kinematics.
To assess the glove's performance, reliability, and comparability to electromyography (EMG).

Main Methods:

The Cymanus glove was fitted to a rhesus macaque, monitoring 9 joints during a grasping task with 25 objects over 6 days.
Flex sensor data were analyzed for linearity, trajectory preservation, and object discrimination.
Glove data were compared with simultaneous EMG recordings from 24 arm and hand muscles.

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Last Updated: Jun 17, 2026

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace

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Published on: September 28, 2017

Main Results:

The rhesus macaque tolerated the glove without performance impairment.
The glove linearly tracked joint angles, preserving trajectories over multiple days.
Joint angle data discriminated objects as accurately as EMG, providing maximal information at grasp end.

Conclusions:

The Cymanus glove is a reliable and accurate tool for measuring primate hand kinematics.
Flex sensor data offer a viable alternative or complement to EMG for motor control studies.
This technology can advance research in primate grasping and sensorimotor integration.