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63 Cards in this Set

  • Front
  • Back
Biological Perspectives
looks at the body and the influences of hormones, genes, brain, and cns on how we think, feel, and act.
Biological Psychology
study of physiological, evolutionary, and developmental mechanisms of behavior and experience
Sensory Neurons
input from sensory organs to the brain and spinal cord
Motor Neurons
output from the brain and spinal cord to the muscle and glands
Interneurons
carry information between to other neurons only found in the brain and spinal cord (relay neurons)
Most Numerous Neurons
Interneurons
Cell Body (Soma)
provides energy for the neuron
Nucleus
contains the cells genetic material
Dendrites
receives information from other neurons
Axon
carries neuron's information to other body areas
Myelin Sheath
provides insulation to the axon
Neuron to Neuron
1. axons branch out and end near dendrites of near cells.
Axon Terminal (terminal button)
are the tips of the axon's branches
Synapse
gap that seperates the axon terminals from dendrites
Synaptic Vesicle
located inside the terminal buttons; they house our neuro transmitter
Vesicles
each houses on kind (type) of neurotransmitter
Reuptake
is when the vesicle reclaims any unused neurotransmitter for later use
Acetylcholine
Important; keeps heart from beating too fast; causes skeletal muscle fibers to contract; involved in learining and memory
Alzheimer's disease
deficiency of acetylcholine
Dopamine
involved in movement; attention and learing
Schizophrenia and Parkinson's Disease
deficiency of dopamine
Serotonin
plays role in appetitie, sleep, regulating mood, aggression, and impulsivity
GABA
the main inhibitory neurotransmitter
Huntington's Disease
deficiency of GABA
Glutamate
the main excitatory neurotransmitter
Norepinephrine
plays role in alertness, sleep, eating, arousal, flight or fight
Hypothalamus
control center of the endocrine system
CNS
consists of brain and spinal cord
Spinal Cord
connects brain and PNS
PNS
carris messages to and from CNS
PNS Subdivision
Somatic Nervous System
Autonomic Nervous System
SNS
controls voluntary muscle and transmits sensory info to CNS
ANS
controls involuntary movements
ANS Subdivisions
Sympathetic Nervous System
Parasympathetic Nervous System
Sympathetic NS
arouses body for action
Parasympathetic NS
calms body to conserve and maintain energy
Brain
headquaters of your behavior
Cerebral Cortex
makes up 2/3 of brain; is the wrinkles of the brain; highly developed brain; thinking, perceiving, producing, and understanding language
Left Cerebral Hemisphere
language, logic, and calculations
Right Cerebral Hemisphere
visual patterns and spatial relationships
Corpus Callusum
huge bundle of fibers that connect the 2 hemisphere and allows to communicate
Frontal Lobe
front and center; executive (planning, decision making, motor movements, personality regulation, and seeking goals)
Primary Motor Cortex
Boca's Area (plays role in speech production)
Broca's Aphasia
prevents producing speech, but able to understand language
Parietal Lobe
sits at the top of head; process sensory info (touch, pain, locations of limbs, and temperature). somatosensory cortex
Temporal Lobe
sits directly behind ears; primary job to make sense of what you hear
Auditory Cortex
wernicke's area; plays understanding meaningful speech.
Wernike's Aphasia
loss of ability to understand language; word salad
Occipital Lobe
located behind head; proccess visiual info; damage to this area will cause blindness
EEG
records brain wave activity
Beta (mental and physical)
Alpha (deep relaxation)
Delta (deep sleep)
CT
cross sectional images (using radiation)
MRI
high-resolution images (non radiation)
PET-scan
maps blood flow, oxygen, glucose consuption.
Cerebellum
coordinates movements, balance, and posture
Brainstem
very important; internal physiological state of the body
Medulla
regulates breating, beating of heart, swallowing, coughing, vomitting, and sneezing
Pons
regulates brain activity during sleep; helps coordinate movements
Reticular Formation
regulates attention and alertness
Thalmus
relay station; proccess most information to and from higher brain centers
Limbic System
regulates motives, drives, feelings
Hippocampus
key player in memory
Amygdala
plays role in aggression, emotion, and memory
Hypothalamus
regulates eating, drinking, sexual arousal, and body temperature