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Parts of the Brain
Brainzzzzzzzz
28
Psychology
12th Grade
05/06/2010

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Term
hindbrain
Definition
top part of the spinal cord
basic biological functions
includes: medulla, pons, and cerebellum
Term
medulla
Definition
blood pressure, heart rate, breathing
Term
pons
Definition
connects hindbrain with midbrain and forebrain
facial expressions and regulates sleep
Term
reticular formation
Definition
in brain stem
keeps you alert
netlike collection of cells that controls body arousal and the ability to focus our attention
Term
cerebellum
Definition
little brain
coordinates muscle movements
Term
midbrain
Definition
part of brain that coordinates muscles
between hindbrain and forebrain
integrates some sensory information
contains reticular formation
Term
forebrain
Definition
control thought and reason
contains the thalamus, hypothalamus, amygdala, and hippocampus
Term
thalamus
Definition
on top of the brain stem
receives sensory signals and sends them to appropriate areas
Term
hypothalamus
Definition
controls several metabolic functions
body temp, sexual arousal (libido), hunger, thirst, and the endocrine system
controls biological rhythms
Term
hippocampus
Definition
involved with establishing long term memories
connects present with past
Term
amygdala
Definition
vital to our experiences of emotion
involved with memory
aggression and fear
Term
limbic system
Definition
contains the thalamus, hypothalamus, amygdala, and hippocampus
Term
fissures
Definition
the wrinkles in the brain
Term
cerebrum
Definition
topmost layer of the brain
Term
cerebral cortex
Definition
thin gray matter covering the cerebrum
thinking and perceiving
Term
corpus callosm
Definition
connects the two hemispheres
Term
contralateral control
Definition
when the right hemisphere gets sensory messages and controls the functions of the left side of the body and vice versa
Term
brain lateralization
Definition
specialization of function of each hemisphere
Term
frontal lobes
Definition
lobe that contains abstract thought and emotional control
Term
broca's area
Definition
part of a lobe that is responsible for controlling the muscles involved in producing speech
Term
motor cortex
Definition
a thin vertical strip at the back of the frontal lobe
sends signals to our muscles, controlling our voluntary movements
Term
parietal lobes
Definition
lobe that controls touch and feeling
contains the sensory cortex or the somato sensory cortex
receives incoming touch sensations from the body
Term
occipital lobes
Definition
interprets messages from our eyes in the visual cortex
impulses in the right half of the retina are processed in the right hemisphere and vice versa
Term
temporal lobes
Definition
lobe that processes sound
sound produced in the left ear are processed in both cortices
wernike's area
Term
wernike's area
Definition
part of lobe where written and spoken speech are processed
Term
endocrine system
Definition
system of glands that secrete hormones that affect many different biological processes
Term
adrenaline
Definition
prepares the body for fight or flight
Term
DNA
Definition
genetic material that makes up chromosomes
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