psychology unit 3b Flashcards
lesion
destruction of brain tissue
EEG
records brain wave activities
PET scan
displays where radioactive glucose goes while the brain performs a task
MRI
-uses magnetic fields to produce images of soft tissue
-reveals fluid-filled areas of the brain
FMRI
-reveals blood flow and brain activity
-shows brain function
whats the oldest part of the brain?
the brainstem (core)
what controls heartbeat and breathing
medulla (base)
what do pons do?
help coordinate movements (above the medulla)
what does the thalamus do?
receives information from all the senses except smell
reticular (net-like) formation
controls arousal & multitasking
cerebellum is also called the
little brain
what does the cerebellum do?
coordinates body movement and balance
Amygdala
supplies emotional feelings
hypothalamus
controls eating, drinking, body temp.,sexual behavior
-linked to reward
what does the reward center release?
dopamine
whats the cerebral cortex
interconnected neural cells covering the 2 hemispheres (saran rap)