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Section 1, Lecture 1 - Survey in Biopsychology Class Notes $7.99
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Section 1, Lecture 1 - Survey in Biopsychology Class Notes
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Are you looking for a deep, structured, and clear understanding of biopsychology? Look no further! These meticulously crafted notes are your key to mastering the subject. Whether you're preparing for exams, seeking to enhance your understanding of complex topics, or simply want to study smarter, th...

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  • November 11, 2024
  • 1
  • 2024/2025
  • Class notes
  • Xi chen
  • Section 1 - lecture 1

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Notes - Survey in Biopsychology

Neuroanatomy & Neurons
(lecture 1)

Divisions of the Nervous System
central nervous system (CNS) - brain and spinal cord
acerent nerves - receive info/sensory input to the
ecerent nerves - send info/motor output to the PN
peripheral nervous system (PNS) - nerves that run throug
somatiT nervous system - voluntary movement
automatiT nervous system - involuntary control
sympathetic nervous system - increases en
parasympathetic nervous system - conserv


Hhe Buman Crain
.eighs 863k lbs/160 5g
contains 3k-1%% billion neurons and many more glial cells
has 1%%-1'% trillion connections
uses about 8%-8'x of the bodyzs total energy
each neuron performs '% calculations a second
massively parallel - neural calculations are performed sim
cerebral corte, - the outer covering of the cerebral hemispher
neurons - specialijed cells that transmit information through a
involves generation and passing of neural signals in the brain


Neuron StruTture
cell body (soma) - contains the nucleus and other organellesq
dendrite - processes signals coming from the cell body / rece
contacts (input) from other neural cells
a,on - long process that pro:ects from the cell body (output)


myelin - an insulating layer around nerves6 allo.s electrical im

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