PSYC 1010 Chapter Notes - Chapter 3: Autonomic Nervous System, Somatic Nervous System, Peripheral Nervous System

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Doug Mc Cann

Document Summary

Contributes to the regulation of attention, arousal and memory. Contributes to control of voluntary movement, pleasurable emotions. Over activity at da synapses associated w/ schizophrenia. Cocaine and amphetamines elevate activity at da synapses. Cocaine and amphetamines elevate activity at ne synapses. Involved in regulation of sleep and wakefulness, eating, aggression. Abnormal levels may contribute to depression and ocd. Prozac and similar antidepressant drugs affect serotonin circuits. Valium and similar antianxiety drugs work at gaba synapses. Contribute to pain relief and perhaps to some pleasurable emotions. Behaviour depends on complex info processing in the nervous system. Cells in the nervous system receive, integrate, transmit info. They normally transmit a neural impulse along an axon to a synapse with another neuron. The neural impulse is a brief change in a neurons electrical charge that moves along an axon. Neurons convey info about the strength of a stimulus by variations in their rate of firing.