Ch. 2 Review Flashcards
Studies the relationship between biological processes (especially brain activity and behavior
Physiological Psychology
Biological causes for abnormal behavior
Physiological Psychology
Biologists of psychology
Physiological Psychology
Cell body (Powerhouse)
Soma
Branching structures that receive signals from other neurons
Dendrites
Fiber that carries signals away from other cells
Axon
Insulated material that encases some axons - speed BoOsT
Myelin sheath
Small knobs at the end of axons that release neurotransmissions at synapse
Terminal buttons
Neuron’s stable negative charge when inactive
Resting potential
Voltage spike that travels along axons
Action Potential
Brief time after spike firing before another can begin (ALL OR NOTHING DANIEL)
Absolute Refractory Period
Al-or-None Law
A neuron either fires or it does not
Brain and spinal chord
Central Nervous System
Goes up from spinal chord - basic body functions
Hindbrain
Coordinates fine muscle movement/coordination - alcohol affects this
Cerebellum
Involved in sleep and arousal
Pons
Regulates automatic functions such as breathing and circulation
Medulla
Involved in finding objects in space; synthesizes dopamine
Midbrain
Most complex - part of brain that THINKS
Forebrain
Relay center for cortex; distributes incoming sensory signals except olfactory (smell)
Thalamus
Handles complex mental activities such as sensing, learning, thinking, and planning
Cerebrum
Primary sensory cortex
Parietal lobes
Primary visual cortex
Occipital lobes
Primary thinking cortex
Frontal lobes
Involved in mental reasoning; working memory
Prefrontal cortex
Cerebellum
Hindbrain
POns
Hindbrain
Medulla
Hindbrain
Thalamus
Forebrain
Cerebrum
Forebrain
Parietal lobes
Forebrain
Temporal lobes
Forebrain
Occipital lobe
Forebrain
Frontal lobes
Forebrain
Frefrontal cortex
Forebrain
Loosely connected network that contributes to emotions, attitudes, fears
Limbic System
Contributes to memory
Hippocampus
Involved in learning of fear responses and anger - angry Galitsky
Amygdala
Regulates basic biological needs such hunger, thirst, and sex
Hypothalamus
Consists of glands that secrete chemicals called hormones into bloodstream - regulate responses to stress, sexual development, hormones
Endocrine System
Nerves to voluntary muscles, sensory receptors
Somatic Nervous System
Nerves to skeletal muscles, blood vessels, smooth muscles, and glands
Autonomic Nervous System
Sensory function to motor
Afferent
Motor function to sensory
Efferent
Speeds up bodily resources
Sympathetic
Calms down bodily resources
Parasympathetic