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ap brain parts

Terms

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electroencephalogram (EEG)
identifies the electrical brain wave evoked by a stimuli-epilepsy
positron emission tomography (PET) scan
depicts brain activity by showing each brain areas consumption of chemical fuel- person is given temporarily radioactive glucose-shows were brain is most active during certain activities
cerebral cortex
control and information processing center-covers both hemispheres
frontal lobe
speaking and muscles movements; plans and judgment
Magnetic resonance imaging (MRI)
head is put in a strong magnetic field-results in a detailed picture of soft tissues (ex. fluid filled areas with schizophrenia)
functional magnetic resonance imaging (fMRI)
detects blood rush in the brain-provides insight into how the brain divides labor
brainstem
oldest and central core of the brain-automatic survival functions
medulla
heartbeat and breathing
reticular formation
filters incoming stimuli and relays important information to other areas; arousal
hippocampus
processes memory (damage to hippocampus=unable to process NEW memories)
amygdala
linked to emotions, such as anger, agression, and fear
the limbic system
associated with emotions such as fear and agression, and drives such as hunger and sexual
hypothalamus
hunger, thirst, body temperature, and sexual behavior-REWARD CENTER
pons
coordinates movement
thalamus
sensory switchboard (receives information from all senses except smell)
cerebellum
processes sensory input, balance, judge time, modulate emotions, enables nonverbal learning and memory
parietal lobe
receives sensory input for touch and body positions
occipital lobe
visual areas; receives visual information from the opposite visual field
temporal lobes
includes auditory areas; receives auditory information primarily from OPPOSITE ear
Broca's area
directs muscle movements involved in speech; aphasia to this area: difficulty SPEAKING but ability to comprehend
Wernicke's area
controls language reception; involved in language comprehension and expression; HEARING words; aphasia: speak only meaningless words
angular gyrus
transforms words into an auditory code

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kdillane

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