thumb opposition

the ability to coordinate the thumb and forefinger in pincer grip movements. Thumb opposition begins to develop around the 3rd or 4th month of infancy, although it is not fully achieved until the second half of the 1st year, as eye–hand coordination grows more skillful.

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Psychology term of the day

May 9th 2024

endogenous research

research that is based on information inherent in a specific area or system, without taking into account outside, independent information.