The Nervous System 2 - bpums.ac.ir · 2012. 12. 16. · The Nervous SystemThe Nervous System 2 The Central Nervous System Brain Spinal Cord Dr. Almasi Autumn 1388

The Nervous System 2The Nervous System 2

The Central Nervous SystemBrain

Spinal Cord

Dr. AlmasiAutumn 1388

BrainBrain

• Forebrain (CerebralForebrain (Cerebral Hemisphere)

• Midbrain (part of the (pBrain stem)

• Hindbrain (Cerebellum, (pons, medulla)


Functions of the cerebrumFunctions of the cerebrum

• Mental activities involved in memory,Mental activities involved in memory, intelligence, sense of responsibility, thinking, reasoning, moral sense and learning are g gattributed to the higher centers

• Sensory perception, including the perception of y p p g p ppain, temprature, touch, sight, hearing, taste and smell

• Initiation and control of voluntary muscle contraction


Brain StemBrain Stem

• MidbrainMidbrain• Pons

M d ll• Medulla


Medulla Special Features:Medulla Special Features:

• Pyramid decussationPyramid decussation• Sensory decussation

C di• Cardiac center• Respiratory center• Vasomotor center• Reflex centers of vomiting coughing sneezingReflex centers of vomiting, coughing, sneezing

and swallowing


The Nervous System 2 - bpums.ac.ir · 2012. 12. 16. · The Nervous SystemThe Nervous System 2 The Central Nervous System Brain Spinal Cord Dr. Almasi Autumn 1388

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