PSYC 4470 Lecture Notes - Excitatory Postsynaptic Potential, Axon Terminal, Peripheral Nervous System

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Donald hebb (50 years ago) provided better understanding by showing that nerve cells are organized into larger units functioning could be understood by individual cells and larger networks they comprised. Brain controls behaviour, processes and retains information we receive from environment, and regulates body"s physiological processes. Receives information from body"s sensory receptors and is connected with muscles and glands of body. Central nervous system brain and spinal cord. Spinal cord long, thin collection of nerve cells attached to base of brain and running length of spinal collumn. Contains circuits of nerve cells that control some simple reflexes (pulling away from hot) Communicates with rest of body through nerves. Nerves bundle of nerve fibers that transmit information netween. Cns and body"s sense organs, muscles, and glands. Attached to spinal cord and base of brain. Peripheral nervous system cranial and spinal nerves; that part of the nervouse system peripheral to brain and spinal cord.

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