PSYC 100 Chapter Notes -Central Nervous System, Neurotransmitter Receptor, Opioid Receptor

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Meredith Chivers

Document Summary

In chapter 4, we explore the biological basis of the stuff from which you" are made the brain, and the nerve cells that comprise it. Neuroscientists: attempt to determine the relationship between behaviours, including thoughts and feelings, and activity in the brain and hormonal systems. The brain is an organ, like the heart or lungs. Hippocrates, the ancient greek physician, decided that the brain was the most powerful organ because it controlled all the other organs. He was correct according to most psychologists ultimately, our nervous system (of which the brain is a part) controls all behaviour and mental processes. The nervous system can be divided into two different parts. Peripheral nervous system (pns: the pns includes cranial nerves and spinal nerves, which transmit sensory information from the rest of the body to the. Cns, and transmit motor and other commands in the other direction, from the cns to muscles, glands and internal organs.