Psychology 1000 Chapter Notes - Chapter 3-2: Central Nervous System, Peripheral Nervous System, Stretch Reflex

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1
Homecoming
September 30th- October 2nd
www.westernhomecoming.uwo.ca
Saturday, 1st
9:00 am Parade along Richmond St.
1:00pm Western Mustangs vs York Lions
Tickets at
westernmustangstickets.universitytickets.com
2
Today’s Business
Student Success Centre
Leadership & Mentorship Program (LAMP)
http://success.uwo.ca/
Midterm exam date: October 22nd at 9am
Makeup date: contact p1000ex@uwo.ca
Read Chapter 3
Today CNS & PNS- read pages 78-91
Oct. 3rd: 3-3 Brain- read until page 97
Oct. 5th: 3-4 Hemispheres- finish chapter 3
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2
GPS: Where are we going?
From Neurons to Systems
Organization of the nervous systems:
CNS & PNS
division of labour
The Brain
structures and function
4
Biological Foundations of Behaviour
Chapter 3
Divisions of the Nervous
System
Central Nervous
System (CNS)
Brain and Spinal Cord
tracts
Peripheral Nervous
System (PNS)
connects CNS with
muscles, glands, and
sensory receptors
nerves
5
Now that we know something
about Neurons…..
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THE NERVOUS SYSTEM
CENTRAL NERVOUS SYSTEM
CNS
PERIPHERAL NERVOUS SYSTEM
PNS
Somatic
Division Autonomic
Division
Sympathetic
Division Parasympathetic
Division
Brain Spinal Cord
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3
Peripheral Nervous System (PNS)
7
Peripheral Nervous System
Somatic
Sympathetic Parasympathetic
Autonomic
PNS: Somatic NS
Sense and Respond:
Voluntary
Sensory neurons
transmit info from eyes,
ears and other senses to
CNS
Motor neurons send info
from brain and spinal
cord (CNS) to muscles 8
Sensory IN to CNS
Motor OUT from CNS
PNS: Somatic System
9
Sensory Neurons
input from body to brain
and spinal cord (CNS)
Motor neurons
output from CNS to
control muscles and
glands
Interneurons
sensory-motor relay
within CNS
outnumber other
neurons
Both voluntary AND reflex
movements
spinal reflex arc
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