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Closure The closure is a Gestalt principle of perceptual organization that explains how humans fill in visual gaps in order to perceive…

Classical Conditioning First proposed and studied by Ivan Pavlov, Classical Conditioning is one form of learning in which an organism “learns” through…

Circadian Rhythms Circadian rhythms are what people often refer to as your body’s internal, biological clock. The typical human circadian rhythm occurs…

Chunking A very basic definition is that chunking is a way of organizing information into familiar groupings. This is done with all…

Chromosomes The thread-like structures made of DNA molecules that contain the genes. A human cell has twenty-three pairs of chromosomes, one member…

Cerebral Cortex The thin outer layer of the brain’s (approximately 2 mm) cerebral hemispheres that acts as the main control center and…

Cerebellum The cerebellum is a structure often referred to as the “little brain” that is located in the rear of the brainstem.…

Centration In Piaget’s theory of cognitive development, the second stage is called Preoperational Thought. During this stage, which occurs from age 4-7,…

Central Nervous System (CNS) CNS is a term that describes the brain and the spinal cord. This is a term you are…

Cell Assembly In 1949, Donald O. Hebb coined this term. It refers to a group of cortical neurons that function to sustain…