Neuroscience Part 1

Question 1

Popular but ill-fated theory that claimed bumps on the skull could reveal mental abilities and character traits

Answer 1

Phrenology

Question 2

Study of the links between biology & behavior

Answer 2

Biological Psychology

Question 3

A Nerve Cell

Answer 3

Neuron

Question 4

Basic building block of the nervous system

Answer 4

Neuron

Question 5

The formation of new neurons

Answer 5

Nuerogenesis

Question 6

Bushy, branching extensions that recieve messages from other nerve cells

Answer 6

Dendrites

Question 7

Conduct impulses toward the cell body

Answer 7

Dendrites

Question 8

Extension that sends impulses to other nerve cells, muscle, and glands

Answer 8

Axon

Question 9

Layer of fatty tissue that covers many axons

Answer 9

Myelin Sheath

Question 10

Helps the speed of neural impulses

Answer 10

Myelin Sheath

Question 11

Disease caused by loss of myelin sheath in the CNS

Answer 11

Multiple Sclerosis

Question 12

Results in severe fatigue, problems with sensations, & difficulty with motor skills

Answer 12

Multiple Sclerosis

Question 13

Body of the nerve cell containing the nucleus

Answer 13

Soma

Question 14

End of the neuron that houses neurotransmitters

Answer 14

Terminal Branches/Buttons

Question 15

Guide Neural connections to provide nutrients

Answer 15

Glial Cells

Question 16

Insulated myelin while helping remove excess ions and neurotransmitters

Answer 16

Glial Cells

Question 17

When a neuron is at rest

Answer 17

Resting Potential

Question 18

The positive sodium ions are on the outside, negative potassium ions are on the inside

Answer 18

Resting Potential

Question 19

Action Potential makes the ions switch places

Answer 19

Resting Potential

Question 20

Membrane of the Neuron that allows the sodium and potassium to move in and out of the channel

Answer 20

Semi- Permeable

Question 21

Neural impulse generated by the movement of positively charged atoms in and out of the axon membrane channels

Answer 21

Action Potential

Question 22

The increase in sodium ions moving inside the cell making the inside more positive then the negative

Answer 22

Depolarization

Question 23

Results in the potassium ions to get pushed outside

Answer 23

Depolarization

Question 24

After the charge moves to the next section of the axon channel

Answer 24

Hyperpolarization

Question 25

The sodium ions shift back outside of the channel

Answer 25

Hyperpolarization

Question 26

Level of stimulation that must be exceeded for the neuron to fire of generate an electrical impulse

Answer 26

Threshold

Question 27

Either cells fire if the charge inside reaches a threshold or it doesn’t fire

Answer 27

All or nothing principle

Question 28

Junction between the acon tip of the sending neuron and the dendrite of the recieving neuron

Answer 28

Synapse

Question 29

Tiny Gap at the junction that is called the _______ gap of cleft

Answer 29

Synape