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The Brain

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Maria Brandel

on 14 October 2013

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Transcript of The Brain

The Brain
Frontal Lobe
Temporal Lobe
Occipital Lobe
Parietal Lobe
Function: Relays sensory and motor signals to the cerebral cortex. Regulates consciousness, sleep and alertness.

Location: Located in between the cerebral cortex and the midbrain (the center of the brain)

Structure: midline structure with two symmetrical halves
Reticular Formation

Function: Regulates the sleep-wake schedule. Filters stimuli to irrelevant background stimuli (aka: habituation) ie: someone can sleep through city noise but will wake to an alarm clock. Also channels pain signals through the brain.

Location: in the brain stern region

Corpus Callosum
Corpus Callosum
Function: pass information between the two cerebral hemispheres

Location: middle of the brain

Structure: flat bundle of neuron fibers
Occipital Lobe
Function: Controls breathing, reflexes, and swallowing (unconscious actions)

Location: In the middle of the brain behind the
frontal lobes

Function: Visual processing center (color discrimination, motion perception)

Location: Medial side of the occidental lobe within the calcarine sulcus.
Parietal Lobe
Function: Integrates sensory information from different modalities (specifically determining spatioal sense and navigation). Also important in language processing also.

Location: Above the occipital lobe and behind the frontal lobe
Functions: Controls movement (especially fine motor skills), balance, posture, and coordination.

Location: The cerebellum is a cauliflower-shaped structure in the lower part of the brain next to the occipital area and the brain stem.

Function: Short-term and long-term memory control

Location: Under cerebral cortex. 2, one on each side of the brain

Structure: 2 main interlocking parts: ammon's horn and the dentate gyrus
Function: Links the nervous system to the endcrine system. Also Controls hunger, body temp, thirst, fatigue, sleep, and important aspects of parenting

Location: Below the thalamus, just above the brain stem
Spinal cord
Function: Two main functions-
Connects large part of the peripheral nervous system to the brain.
Also acts as a minor coordinating center responsible for some simple reflexes like the withdrawal reflex.

Location: Within the spine, extending from the base of the skull to the second lumbar vertebra at the base of the spine.
Wernicke's Area
Function: One of the 2 parts of the cerebral cortex linked to speech. Involved in the understanding of written and spoken language

Location: Cerebral cortex in the dominant cerebral hemisphere
Function: Serves as a bridge between different areasof the nervous system. Helps in regulating sleep and arousal

Location: Base of the brain. Often the pons, medulla and midbrain are called the brainstem
Function: Controls thinking, voluntary movements, language, reasoning, and perception.

Location: This newspaper sized "white matter" is the 1/4" outside covering of both brain hemispheres. Largest part of the human brain.
Broca's Area
Location: Frontal lobe

Function: Directs muscles for speech
Function: Base of the brain

Location: Controls breathing, blood pressure, heartbeat (unconscious finctions)
Temporal Lobe
Function: hearing, memory, speech, and vision
Frontal Lobe
Function: intelligence, memory, movement, problem solving and reasoning
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