PSYA01H3 Lecture Notes - Lecture 8: Midbrain, Hypothalamus, Midbrain Tectum

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PSYA01 – Introduction to Psychology Part 1 Chapter 3.1
Chapter 3.1: Neurons and the Nervous System
Nervous System
1. Peripheral Nervous System
Transmitting those decisions to the rest of the body
Takes input from the rest of the body and transmit that information to the brain
i. Somatic Nervous System
Conscious will
ii. Autonomic Nervous System
Reflexive way that does not need to be commanded to do
something
a. Parasympathetic Nervous System
Chill mode, but body is worried about long-term
survival, keeping it healthy and doing the
maintenance
Example: digestion
b. Sympathetic Nervous System
Doing the action now, short-term survival
Doing something aggressive, heart-rate pumping,
action. Feeling threatened
Example: Feeding, Fighting, Fleeing, Making love
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