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Brain

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by

Kayla Adams

on 1 October 2012

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Transcript of Brain

The Brain By Kayla Adams, Molly Boland,
Kiersten Sloneker, and Jessica Dhaene -Deals with autonomic functions
(breathing, heart rate, blood pressure) Brainstem - Second largest part of the brain.
-Near the base of the brain
-Protected by the cerebelluar cortex or the lining.
-It is the motor control center Cerebellum -Functions in the
transmission of
neural signals
between the
brain and
body. Spinal Cord -Contains
neural
circuits
that can
independently
control
numerous
reflexes. -Connects the right and left hemisphere’s and communicates information between them. Corpus Callosum Broca's Area -Involved in language
production.
-Research suggests that
its functions can shift
to nearby areas of the
brain. Wernicke's Area -Involved in understanding
written and spoken
language. -The Brain's sensory switchboard
-Located on the top of the brain stem




-Directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla. Thalamus Hypothalamus Hypothalamus - A neural structure
lying below the
thalamus
- Directs several
maintenance activities
(ex. eating, drinking,
body temperature)
-Helps govern the
endocrine system via
the pituitary gland,
and is linked to emotion
and reward. Hippocampus -Part of the fore brain
-Located in the medial
temporal lobe
-In charge of transferring information to memory Frontal Lobes Temporal Lobes -Portion of the cerebral
cortex lying just behind
the forehead
-Involved in speaking and
muscle movements and in
making plans and judgements. -Portion of the
cerebral cortex lying roughly above the ears.
-Includes the auditory areas, each receiving information primarily from the opposite ear. Reticular Formation More than 100 small neural
networks with paths to: -motor control
-cardiovascular control
-pain sensory
-sleep/wake cycle
-habituation
-ignore meaningless
stimuli Pons -Connects cerebral cortex with medula -Communication center between the right half and left half of the brain -Helps in transferring messages between brain and spinal cord Main function:
Visual and color perception Occipital lobe Damage to the occipital lobe can result in:
-Hallucinations
-Vision loss
-Blindness Functions include:
-Congition
-Information processing
-Pain and touch sensation
-Spatial coordination
-Speech Parietal Lobe Cerebrum (Cerbral Cortex) Latin for "Brain"
Largest part of the brain
usually referred to forebrain
outter layer of cerebrum is called the " Cerebral Cortex"
the brain is divided into two symetric hemispheres, left and right
the core of the cerebrum, is the tissue that passes messages between different areas of the cortex
core composed of myelinated nerve cell processor axon -Controls heartbeat
-Regulates breathing
-Located in the lower
region of the brain stem Midbrain Smallest Part of the brain
is between the frebrain and the hindbrain
conected to the spinal cord
~ 2 cm long
One of the major parts of the brain stem Controls important functions:
visual
aiditory system
even eye movement Contains the nerve pathways between the cerebral hemispheres and the mudulla oblongota Amygdala Shape of an almond
there are two amygdala's, each situated a few inches away from ears
located above the hypothalamus gland of brain
there set of neurons located deep in the brains medial temporal lobe Links both fear responses and pleasure
main functon is emotional and social processing
processes and stores momories of events and involved in curent ones. reason men and women respond differently. motor cortex located in the rear portion of the frontal lobe, just before the central sulcus (furrow) that separates the frontal lobe from the parietal lobe influencing movement
findig apropriate stratagies for attaining goals from the anterior portion of the frontal lobe; about memories of past strategies, from the temporal lobe
in the middle of the cerebral cortex
also known as the somatosensory cortex
The somatic sensory, auditory, visual, and olfactory regions of the cerebral cortex considered as a group.
processes input from the various systems in the body which are sensitive to touch. sensory cortex Medulla Oblongata
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