Physiological Psychology Flashcards
Franz Gall
phrenology
Pierre Flourens
first to study functions of major sections of the brain
ablation/extirpation
parts of the brain are removed and behavioural consequences are observed
William James
functionalism; link between physiology and emotional experience
John Dewey
functionalism
Johannes Muller
law of specific nerve energies
law of specific nerve energies
each sensory nerve is excited by only one kind of energy, and the brain interprets any stimulation of that nerve as being that kind of energy
Hermann von Helmholtz
measured the speed of a nerve impulse & credited with transitioning psychology into the field of natural sciences
Sir Charles Sherrington
inferred the existence of synapses (but thought it was electrical, not chemical)
afferent neurons vs efferent neurons
sensory vs. motor
interneurons
located predominantly in CNS, linked to reflexive behaviour
Describe how the peripheral nervous system is divided
somatic and autonomic (parasympathetic and sympathetic)
Walter Cannon
pioneering work on autonomic nervous system; homeostasis
resting and digesting
parasympathetic nervous system; acetylcholine
fight or flight
sympathetic nervous system (“I am sympathetic to your flight”); increase in heart rate, blood sugar, respiratin, decrease in digestion; adrenaline
hindbrain
vital functioning necessary for survival; where brain and spinal cord meet
midbrain
receives sensory and motor information
forebrain
emotion and memory; complex processes; greatest impact on human behavior
phylogeny
evolutionary development
medulla oblongata
regulates heartbeat, blood pressure, and breathing
alcohol impairs which brain structure?
cerebellum
reticular formation
arousal, alertness, and attention
superior colliculus
nuclei of midbrain that receives visual sensory input; SEEING (Superior)
inferior colliculus
nuclei of midbrain that receives auditory sensory input; reaction to sudden noises
thalamus
forebrain structure; relay station (receives incoming impulses and sorts them to the correct structure)
hypothalamus
homeostatic functions, aggression, sexual behaviours, hormones, autonomic nervous system, drive behaviours
osmoregulation
maintenance of water balance by osmoreceptors in hypothalamus
lateral hypothalamus
hunger center; Lacking Hunger (lesions; aphagia)
ventromedial hypothalamus
satiety centre; Very Hungry (lesions; hyperphagia)
anterior hypothalamus
sexual activity; Asexuality (lesions)
large ventricles are seen in which disorder
symptoms of schizophrenia, social withdrawal, flat affect, catatonic states
limbic system
2nd area of brain to evolve; septal nuclei, amygdala, hippocampus
James Olds and Peter Milner
septal nuclei - when stimulated, results in intense pleasure and sexual arousal
septal rage
vicious aggressive behaviour resulting from damage to the septal nuclei
Kluver and Bucy
linked amygdala with defensive and aggressive behaviours in monkeys