BRAIN ANATOMY

BRAIN VIEWS - HINTS AND TIPS

• DORSAL VIEW - LOOKING DOWN - DOLPHIN FIN/BACK
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Brain Views - Hints & Tips

• Dorsal View - Looking down - Dolphin fin/back

LATERAL VIEW - SIDES

VENTRAL - looking up/ climbing up a vent

ROSTRAL - face view/ Nostril

The Brain STEM -Hind brain

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• The brain stem is located in the hind brain and includes the Midbrain, pons, medulla oblongata and the spinal cord.
• MID BRAIN - Concerned with certain sensory processes such as locating where things are. Midbrain is the important system of dopamine-releasing axons. Among other things, this dopamine system is involved in the performance of voluntary movements.
• PONS- Contains several clusters of cell bodies that contribute to the regulation of sleep and arousal.
• MEDULLA - Attaches to the spinal cord and has charge of largely unconscious but essential functions, such as regulating breathing, maintaining muscle tone and regulating circulation.

MIDBRAIN - Sensatory and dopamine

PONS

Medulla Oblongata

Cerebrum - goey slug like sheep brain

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• CEREBRUMMM - Includes the brain areas that are responsible for our most complex mental activities, including learning, remembering, thinking, voluntary movement and consciousness itself
• The cerebrum contains Four lobes.
• Frontal Lobe
• Parietal Lobe
• Temporal Lobe
• Occipital Lobe

Frontal Lobe

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• INCLUDES THE PRIMARY MOTOR CORTEX, - THE AREA DEVOTED TO THE CONTROL OF VARIOUS MUSCLES AND LIMBS.
• PRE- FRONTAL CORTEX - AREA RESPONSIBLE FOR HIGHER ORDER CONDITIONS SUCH AS WORKING MEMORY, REASONING AND DECISION MAKING.

TEMPORAL LOBE

• INCLUDES THE PRIMARY AUDITORY CORTEX - THE CORTICAL AREA DEVOTED TO AUDITORY PROCESSING.
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PARIETAL LOBE

• INCLUDES THE PRIMARY SOMATOSENSORY CORTEX - THE AREA THAT REGISTERS THE SENSE OF TOUCH.
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OCCIPITAL LOBE

• INCLUDES THE PRIMARY VISUAL CORTEX - THE CORTICAL AREA WHERE MOST VISUAL SIGNALS ARE SENT AND VISUAL PROCESSING IS BEGUN.
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THE CEREBELLUM - HINDBRAIN

• CRITICAL TO THE COORDINATION OF MOVEMENT AND TO THE SENSE OF EQUILIBRIUM, OR PHYSICAL BALANCE. DAMAGE TO THE CEREBELLUM DISRUPTS THE FINE MOTOR SKILLS, SUCH AS THOSE INVOLVED IN WRITING OR TYPING.
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CEREBELLUM

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• E.G FIRST PART OF THE BRAIN THAT IS AFFECTED WITH ALCOHOL.
• BALANCE, CO-ORDINATION.

FOREBRAIN

• THE LARGEST AND MOST COMPLEX REGION OF THE BRAIN-ENCOMPASSING A VARIETY OF STRUCTURES INCLUDING THE:
• - THALAMUS
• - CEREBRUM
• - LYMBIC SYSTEM
• - HYPOTHALAMUS

Slide 18