PSYC 2000 Chapter : Chapter 2
Document Summary
It"s possible that agonists can have an inhibitory function: can agonize either excitation or inhibition, antagonists: blocks original message the nt was supposed to send, some drugs affect the amount of nt available at the synapse. Spinal cord: afferent/sensory: from sensory to spinal cord. Interneurons: connect afferent to efferent: efferent/motor: from spinal cord to muscles. Somatic nervous system: sensation and voluntary muscle movement, consciously aware of it, autonomic nervous system, part of the pns that controls the involuntary muscles, organs, and glands (automatic functions, sympathetic ns arouses, parasympathetic ns calms, endocrine system. Is body"s "slow" chemical communication system communication is carried out by hormones instead of nt. It integrates sensory processes, such as vision and hearing (one area is also involved in dopamine synthesis: cerebellum: controls and coordinate all involuntary, rapid, fine motor movements, as well as voluntary movements that happen in rapid succession. Frontal lobe: higher processes and decision making: phineas gage, damage to frontal lobe, became very impulsive.
