PSYC 3403 Chapter Notes - Chapter 1: Spinach, Tryptophan Hydroxylase, Bradycardia
6 Jul 2016
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Document Summary
Psychoactive drugs are chemicals that alter (mimic, potentiate, disrupt or inhibit) the normal processes associated with neuronal function or communication between neurons. Organization of the brain: human nervous system consist of two divisions: Nerves that originate in the spinal cord and that connect the spinal cord to the organs of the body: the human brain. Made up of 90 billion neurons located in the skull and spinal cord. Forebrain: telencephalon cortex(cerebrum) limbic system basal ganglia, diencephalon- thalamus and hypothalamus, spinal cord- information highway of the body through which messages are sent back and forth between the brain and the rest of the body. Information includes: touch, temperature, pain, joint position, and signals telling muscles to move. Extending from the bottom of the brain to the sacrum (the bone in the lower part of the spine that forms the back of the pelvis) Made up of neurons and fiber tracts.
