Neuroscoence 2 Flashcards

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1
Q

Structural plasticity

A

The brains ability to change it’s physical structure in response to learning, active practice, or environmental influences

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2
Q

Neurogenesis

A

Development of new neurons

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3
Q

Hindbrain

A

Base of brain that contains several structures that regulate basic life functions

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4
Q

Medulla

A

A hindbrain structure that controls vital life functions such as breathing and circulation

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5
Q

Contra lateral organization

A

One side of brain controls opposite side of body.

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6
Q

Pons

A

Connects medulla to two sides of cerebellum

Helps Coordinate and integrate movements on each side of the body

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7
Q

Cerebellum

A

A large twosided hindbrain structure at the back of brain

Responsible for muscle coordination and maintaining posture and equilibrium

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8
Q

Reticular formation

A

Network of nerve fibers located in the center of the medulla that helps regulate attention, arousal, and sleep
Called the reticular activating system

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9
Q

Forebrain

A

Largest and most complex brain region which contains centers for complex behaviors and mental processes

Also called cerebrum

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10
Q

Substantia nigra

A

Area of midbrain that is involved in motor control and contains a large concentration of dopamine-producing neuron’s

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11
Q

Cerebral cortex

A

The wrinkled outer portion of the forebrain which contains the most sophisticated brain centers

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12
Q

Corpus callosum

A

Think band of axioms that connect the two cerebral hemispheres and acts as a communication link between them

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13
Q

Temporal lobe

A

Area on each hemisphere of the cerebral cortex, near the temples, that is the primary receiving area for auditory info

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14
Q

Occipital lobe

A

Area at back of each hemisphere that is primary receiving area for visual info

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15
Q

Parietal lobe

A

Area on each hemisphere located above temporal lobe that processes somatic sensations . Touch, temp, pressure, info from muscles and joints

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16
Q

Frontal lobe

A

Largest lobe of each hemisphere

Processes voluntary muscle movements and is involved in thinking, planning, and emotional control

17
Q

Functional plasticity

A

The brains ability to shift functions from damaged to undamaged areas

18
Q

Limbus system

A

Group of forebrain structures that form a border around brain stem and are involved with emotion, motivation, learning, and memory.

19
Q

Hippocampus

A

Curved forebrain structure that is part of the lambic system and involved in learning an forming new memories.

20
Q

Thalamus

A

Forebrain structure that processes sensory info for all senses except smell, relaying that info to cerebral cortex.

21
Q

Hypothalamus

A

A peanut sized forebrain structure that is part of lambic system and regulates behaviors related to survival: eating, drinking, sex

22
Q

Amygdala

A

Almond shaped cluster of neuron’s in the brains temporal lobe in lived in memory and emotional responses such as fear.

23
Q

Aphasia

A

Partial or complete inability to articulate ideas or understand spoken or written language because of brain injury or damage.

24
Q

Split brain operation

A

Procedure that involved cutting the corpus callosum.