subthalamus

n. a part of the diencephalon of the brain, wedged between the thalamus and the hypothalamus. It contains the subthalamic nucleus and functions in the regulation of movements controlled by skeletal muscles, together with the basal ganglia and the substantia nigra. —subthalamic adj.

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Psychology term of the day

December 18th 2024

seriation

n. the process of arranging a collection of items in a specific order (series) on the basis of a particular dimension (e.g., size). According to Piagetian theory, this ability is necessary for understanding the concepts of numbers, time, and measurement and is acquired by children during the concrete operational stage.