IUB PSY-P 101 - The Dynamic Brain (2 pages)

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The Dynamic Brain



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The Dynamic Brain

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The human brain is sculpted by experience and through neurogenesis, it is able to retain plasticity and adapt physically to perform its proper functions.


Lecture number:
7
Pages:
2
Type:
Lecture Note
School:
Indiana University, Bloomington
Course:
Psy-P 101 - Introductory psychology

Unformatted text preview:

PSY 101 1st Edition Lecture 7 Outline of Last Lecture I Introduction to Neuroscience and Behavior II How Neurons Communicate III Summary of Important Neurotransmitters Outline of Current Lecture I Plasticity and Neurogenesis II The Overall Organization of the Brain Current Lecture I II Plasticity and Neurogenesis a The brain is sculpted by experience i No longer is the brain thought to be hard wired or fixed for life b Neuroplasticity the ability of the brain to change function and structure i Functional plasticity the brain s ability to shift functions from damaged to undamaged brain areas ii Structural plasticity the brain s ability to physically change its structure in response to learning active practice or environmental stimulation c Neurogenesis the development of new neurons The Overall Organization of the Brain a Contralateral controli For many functions such as sensory processing and motor control the major pathways from the left side of the body cross over to the right side of the brain and vice versa b Three Major Sections of the Brain i Forebrain uppermost and largest brain region 1 Cerebral cortex a Divided into two hemispheres and responsible for sophisticated mental functions b Connected to corpus callosum thick band of axons connecting the two hemispheres of the cerebral cortex ii Midbrain contains structures involved in processing visual and auditory information iii Hindbrain region at the base of the brain that connects the brain to the spinal chord 1 Cerebellum coordinates movement balance and posture 2 Pons helps coordinate movements on the left and right sides of body 3 Reticular formation helps regulate attention and alertness 4 Medulla controls breathing heartbeat and other vital life functions c Four Major Lobes i Frontal Lobe ii Parietal Lobe iii Temporal Lobe iv Occipital Lobe



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