Chapter Two

Question 0

Neurons

Answer 0

Exchange info with other cells (100 billion)

Question 1

Main idea

Answer 1

“Everything psychological is simultaneously biological”

Question 2

Axon

Answer 2

Cell in charge of transmission

Question 3

Dendrites

Answer 3

Receivers

Question 4

Synapse

Answer 4

Point of transfer
Gap between axon and dendrites
1,000-10,000 for every neuron

Question 5

Plasticity

Answer 5

Undifferentiated cells have capacity to change and replace damaged cells to take over a function

Question 6

First brain

Answer 6

Emotional and unconscious
Purpose: survival
Gatekeeper

Question 7

New brain

Answer 7

Rational and conscious

Decision making

Question 8

Reticular System

Answer 8

Connects first brain and new brain

Question 9

Corpus callosum

Answer 9

Coordinates left and right brain hemispheres

Question 10

“Use it or lose it”

Answer 10

Neural connections stick around if they are used

Question 11

Teen brain

Answer 11

Unable to read faces (growth of frontal lobes)

Repeats acts of infancy

Question 12

Hemispherectomies

Answer 12

Evidence of plasticity in children

Question 13

5 pillars of brain development

Answer 13

1. Use it or lose it
2. Blossoming and pruning (shapes neural network)
3. The window of opportunity
4. The window of sensitivity
5. Myelination (insulation of nerve cells)

Question 14

Cerebral cortex

Answer 14

Gray matter
Intelligence
Broken into 4 lobes

Question 15

Left brain

Answer 15

Speaking 
Writing 
Comprehending 
Language 
Right side of body

Question 16

Right brain

Answer 16

Simple language
Perceptual skills
Recognition/expression of emotions
Left side of body

Question 17

Frontal lobes

Answer 17

Speaking
Muscle movement
Planning
Judgement

Question 18

Parietal lobes

Answer 18

Sensory input for for touch and body position

Question 19

Occipital lobes

Answer 19

Receive info from visual fields

Question 20

Temporal lobes

Answer 20

Auditory areas

Receives info from opposite eat

Question 21

Amygdala

Answer 21

Emotion

Question 22

Hippocampus

Answer 22

Memory

Question 23

Medulla

Answer 23

Heartbeat and breathing

Question 24

Cerebellum

Answer 24

Balance

Question 25

Pons

Answer 25

Coordination

Question 26

Thalamus

Answer 26

Brain’s switchboard

Question 27

Hypothalamus

Answer 27

Internal state

Question 28

Amygdala

Answer 28

Emotion

Question 29

Hippocampus

Answer 29

Memory

Question 30

Reticular formation

Answer 30

Filters stimuli

Keeps you awake