19 terms

Basic Functions of Parts of the Brain

Medulla Oblongata
Reflexive, involuntary control of heart, breathing, blood vessels
Timing of subconscious breathing
Subconscious control of coordination of voluntary muscle
Filter and relay visual and auditory stimuli, reflexive control of eye movement, focusing lens and pupil diameter
Control of ANS and pituitary gland, regulates involuntary body functions, homeostasis
perception of sensations and emotions, relaying afferent and efferent impulses to/from cerebrum
Pineal gland
endocrine gland- secretes one hormone
pituitary gland
endocrine gland- secretes many hormones
transport of hormones and conduction of impulses from hypothalamus to pituitary gland
cerebrum (overall)
choice, intelligence, memory, awareness, personality
longitudinal fissure
divides cerebrum into cerebral hemispheres
L cerebral hemisphere
speech sounds, understanding sequential, rational & analytical concepts
R Cerebral hemisphere
non-speech sounds, spatial perception, holistic, artistic and emotional concepts
frontal lobe
voluntary control of muscles, learning, planning, higher psychological functions
parietal lobe
perception of somesthetic (touch, temperature, taste) and kinesthetic sensation (body position)
temporal lobe
perception of auditory sensations and related speech centers
occipital lobe
perception of visual sensations
corpus callosum & anterior commissure
communication between the two cerebral hemispheres
gyri and sulci
increase surface area of cerebrum for exchange of nutrients/wastes to/from blood vessels in pia mater