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Unformatted text preview: neurons (efferent). 2 PSYC 2010 (Dr. Escobar) Chapter 4 - The brain Pathways through the spinal cord
• The brain communicates with distal body
parts using nerves that travel in the spinal
• These nerves form “columns” or “pathways”. The brainstem and
cerebellum 3 PSYC 2010 (Dr. Escobar) Chapter 4 - The brain The brainstem: basic survival functions
• The medulla and the pons are related to
posture, balance, and vital reflexes such as
breathing and heart rate.
• The midbrain controls basic movement
patterns involved in feeding, grooming,
attacking, and control of speed of
locomotion. The brainstem (cont’d) • The brainstem is also involved in sleep and
• These functions are associated to a network
of neurons known as the reticular formation. 4 PSYC 2010 (Dr. Escobar) Chapter 4 - The brain The cerebellum: movement, cognition, and
• The cerebellum (Latin: little brain) is located
in the back of the head. The cerebellum: movement, cognition, and emotion
(cont’d) • All parts of the cerebellum seem to perform
the same functions.
• However, each part receives and sends
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- Fall '08