Ch. 3 Biological Implications (Test 2) Flashcards
The 101st Congress of the US designated the 1990s as what? What was the challenge?
“Decade of the Brain.” The challenge of studying the biological basis of behavior.
Behavioral phenomena result from what?
From the interaction between biological, psychological, and sociological systems.
What are three major parts of the brain?
Forebrain, midbrain, hindbrain
How were most psychological drugs discovered before the 90s?
By trial and error (ex: Thorazine, Nardil (an MAOI for TB, BP))
Up until what decade were there no psychological medications?
60s
What parts make up the forebrain?
Cerebrum, diencephalon
What part makes up the midbrain?
Mesencephalon
What parts make up the hindbrain?
Pons, medulla, cerebellum
What are neurons composed of?
Cell body, axons, dendrites
What are the classes of neurons?
Afferent, efferent, interneurons
What category are neurons under?
Nerve tissue
Neurotransmitters are under what category?
Synapses
What make up neurotransmitters?
Cholinergic, monoamines, amino acids, neuropeptides
What makes up the spinal cord?
Fiber tracts, spinal nerves
What 2 systems make up the peripheral nervous system?
Afferent, efferent
What makes up the afferent system?
Somatic and visceral sensory neurons