Chapter 04 - The Brain

2 psyc 2010 dr escobar chapter 4 the brain pathways

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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 cord. • 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 waking. • 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 emotion • 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 infor...
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