Unit 2 (Biological Bases of Behavior) AP Psych

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Last updated 3:02 PM on 4/26/26
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7 Terms

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Neurons

Individual cells that receive, integrate, and transmit information.

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How much does an adult brain weigh?

About 3 pounds

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Classes of neurons

Afferent (sensory), Efferent (motor), and interneurons.

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Afferent (Sensory Neurons)

Carry information FROM the sense receptors to the brain and spinal cord.

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Efferent (Motor Neurons)

Carry information FROM the brain and spinal cord TO the muscles/glands.

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Interneurons

Relay information b/w the sensory and motor neurons.

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Reflex Arc

Neural circuit involved in a reflex.

  1. Sensory neurons conduct a nerve impulse from a receptor.

  2. Connects via interneurons, which goes to a motor neuron.