Examlex
Apparent motion is the term used for perceptions of motion that seem to be psychologically constructed without the presence of external stimuli.
Gray Matter
Regions of the brain and spinal cord with a high concentration of cell bodies, dendrites, and axon terminals of neurons, distinguished from white matter.
Cortex
The outer layer of the cerebrum in the brain, involved in many advanced brain functions, including memory, attention, perceptual awareness, and language.
Depolarization
A decrease in the difference in charge between the inside and outside of a cell's plasma membrane, often leading to nerve impulse transmission or muscle contraction.
Na+
Sodium ions, an essential electrolyte in the body that helps regulate blood pressure, blood volume, and pH levels, as well as nerve and muscle function.
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