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Sexual Biology > The Brain > Flashcards

The Brain Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

____Begins in the Brain

A

Sexuality

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2
Q

The brain is _____ % water

A

75-80%

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3
Q

Phrenology

A

studying the size and shape of the brain to determine character and abilities

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4
Q

Craniology

A

Skull shape and size to determince character and abilities

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5
Q

Phinea Cage

A

Known for surviving a railroad spike thorugh his head - changed his behavior

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6
Q
A
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7
Q

Development of brain cells

A

Gets longer and grows (Croissant)

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8
Q

Hindbrain

A

Brain Stem

Cerebellum

Controls vital functions

coordinates movement

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9
Q

Midbrain

A

Controls many reflexes

processing center for messages and connections

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10
Q

Forebrain

A

Cerebral cortex split into two hemispheres

includes inner brain/insular cortex - memory and emotions

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11
Q

Frontol Lobe

A

Executive function

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12
Q

Occipital Lobe

A

Visual Processing

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13
Q

Parietal Lobe

A

Sensory Information

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14
Q

Temporal Lobe

A

hearing

language

memory

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15
Q

Hypothalemus

A

maintains body functions

(four vital F’s)
Fleeing, fighting, fucking, feeding

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16
Q

Hippocampus

A

Memories and Learning

17
Q

Amygdala

A

emotional reactions (internal and external)

survival instincts/impulses

Most active when sleeping

18
Q
A
19
Q

Blossoming

A

Immature brain synaptic density (6 years old)

20
Q

Synaptic Pruning

A

We lose synaptic density as we get older (11-14 years old).

sculpting away excess material, excess connections, to make a more refined more efficient, adult brain

21
Q

Myelination

A

an increase in the fatty sheath surrounding neuronal processes and fibers that increases the efficiency of electrical transmission.

22
Q

The last area of the brain to complete myelination is ______

A

frontal lobe

23
Q

at what age does myelination take place?

A

20-25

24
Q

Frontal Lobes functioning

A

 Goal and priority
settings
 Planning and
organizing
 Impulse inhibition
 Determining right
from wrong
 Emotional control

25
Q

Nucleus Accumbens

A

develops before prefrontal cortex

 Imbalance of brain development
 Increase drive for risk and reward through pleasure center PLUS immature executive functioning = a potential perfect storm

26
Q

Can you tell the sex from someones brain?

A

No

Hormones effect the brain differently but studies have shown behaviors are the same.

27
Q

Can the brain explain for identity and orientation?

A

no - and that’s ok

Sexual Biology (10 decks)

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