The Brain!

The Brain• Facts About the Brain• Brain Lobes & Functions• How the Brain is Studie

d• Resources• Concept Map• Author’s Slide

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Facts About the Human Brain• It’s the center of the

nervous.• The brain is located in

the head and protected by the skull.

• It’s average weight is about 1300-1400 grams.

• It’s about 75% water.• The brain consists of

about 100 billion neurons.Quit

Brain Lobes & Functions•Right and Left Hemispheres•Brain Stem•Cerebellum•Frontal Lobe•Temporal Lobe•Parietal Lobe•Occipital Lobe

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Click to Watch a Video on the Brain

Brain Stem• Connected to the spinal

cord• Controls processes

basic for survival, such as heart rate, breathing, digestion, and sleep

• Main route of communication throughout the body

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Cerebellum• Second largest

part of the brain• Controls posture

and balance• Has a role in

higher cognitive processes

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Frontal Lobe

• Behind the forehead.• Needed for planning,

memory search, motor control, and reasoning & speech.

• Includes the Motor Strip: controls fine movements and is organized by body part.

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Temporal Lobe

• Below temples, in front of ears.• Needed for

visual memory and hearing.

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Parietal Lobe• Upper-rear of the

head• Registering spatial

location, attention, and motor control.

• Includes the Somatosensory Strip: registers sensation on the body and is organized by body part.

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Occipital Lobe

• Near the back of the head.• Needed for

vision.

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How the Brain is Studied

• Neuroanatomy • Electrophysiology • EEG • MEG • Functional imaging • Lesion studies

• Computation • Genetics

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