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Updated: May 10, 2026
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
Published on: January 15, 2018
Dynamic reaching in infants during binocular and monocular viewing
Therese L Ekberg1, Kerstin Rosander, Claes von Hofsten
1Department of Psychology, Uppsala University, Box 1225, 75142 Uppsala, Sweden. therese.ekberg@psyk.uu.se
Experimental Brain Research
|June 18, 2013
Summary
Infants
Area of Science:
- Developmental psychology
- Motor control
- Infant perception
Background:
- Infant reaching is crucial for sensorimotor development.
- Understanding visual influences on reaching informs developmental theories.
Purpose of the Study:
- To investigate how binocular versus monocular vision affects reaching in infants.
- To determine the impact of age on reaching under different visual conditions.
Main Methods:
- Examined reaching in 6-, 8-, and 10-month-olds.
- Utilized a dynamic reaching task with objects at various positions.
- Compared reaching performance during binocular and monocular viewing.
Main Results:
- Hand selection was independent of viewing condition or age.
- Monocular viewing increased time to object contact.
- Younger infants (6-month-olds) exhibited more errors with monocular vision.
- Rotation direction influenced contact time when the right eye was covered.
Conclusions:
- Visual input significantly impacts the timing and accuracy of infant reaching.
- Developmental changes in visual-motor integration are evident by 10 months.
- Monocular deprivation reveals age-dependent compensatory strategies in reaching.
