Physiological Psych Flashcards
earliest theories that behavior, intellect, and even personality might be linked to brain anatomy; phrenology
Gall
Ablation (extirpation)
various parts of the brain are surgically removed, and the behavioral consequences are observed
-how mental processes help individuals adapt to their environments
Functionalism (James)
study of the organism as a whole
Dewey
behavioral deficits of people with brain damage
Broca
each sensory nerve is excited by only one kind of energy
Müller
first to measure the speed of a nerve impulse
Helmholtz
inferred the existence of synapses
Sherrington
transmit sensory information from receptors to the spinal cord and brain
Sensory (afferent) neurons
transmit motor information from the brain and spinal cord to the muscles
Motor (efferent) neurons
found between other neurons; most numerous; linked to reflexive behavior
Interneurons
behavior that is crucial to survival
Reflexes
CNS
brain and spinal cord
PNS
nerve tissue fibers outside the brain and spinal cord
Somatic nervous system
sensory and motor neurons distributed throughout the skin and muscles
Autonomic Nervous System (ANS)
regulates heartbeat, respiration, digestion, and glandular secretions; independent of conscious control; Cannon
Antagonistic
act in opposition
conserve energy; resting and digesting
Parasympathetic nervous system
Acetylcholine
neurotransmitter responsible for parasympathetic responses
Sympathetic nervous system
fight or flight; adrenaline
where the brain meets the spinal cord; balance, motor coordination, breathing, digestion, and general arousal processes
Hindbrain
sensorimotor reflexes that also promote survival
Midbrain (mesencephalon)
complex perceptual, cognitive, and behavioral processes; emotion and memory
Forebrain
Limbic system
group of neural structures primarily associated with emotion and memory
outer covering of the cerebral hemispheres; language processing, problem solving, impulse control, long-term planning
Cerebral cortex
Phylogeny
evolutionary development
responsible for regulation vital functioning
Medulla oblongata
sensory and motor tracts between the cortex and the medulla
Pons
helps maintain posture and balance and coordinates body movements
Cerebellum
regulates arousal, alertness, and attention
Reticular formation