Psych test 2

Question 1

Three Tasks of Neurons

Answer 1

1. Produce energy
2. Capture information
3. Pass information along nervous system

Question 2

Dendrites

Answer 2

Finger-like ends of neuron

Question 3

Axon

Answer 3

Fiber running down neuron

Question 4

Synapse

Answer 4

Gap between neurons

Question 5

Neurotransmitter

Answer 5

Chemical messenger

Question 6

Myelin Sheath

Answer 6

Outer coating of the axon

Question 7

Process of Neuron

Answer 7

1. Dendrites receive impulse
2. Electrical impulse travels down axon
3. Axon terminals receive impulse, change to neurotransmitter
4. Axon terminals fire neurotransmitter across the synapse
5. Dendrites of the next neuron receive impulse, process repeats

Question 8

Action Potential*

Answer 8

When neuron fires on impulse

Question 9

Refractory Period*

Answer 9

Resting period while waiting for gates to open from neurotransmitter to dendrites

Question 10

Resting Potential*

Answer 10

Positive charge on outside, negative charge on inside that causes it to become neurotransmitter

Question 11

Receptor Cells*

Answer 11

On receiving neuron on dendrites

Question 12

Subliminal

1. What
2. Example

Answer 12

1. Below the threshold

2. The example where movies had popcorn/coke frames flash across the screen and the theater sold more concessions

Question 13

Absolute Threshold

1. What
2. Example

Answer 13

1. Least amount of stimuli detectable by your receptors.

2. Detecting sound in Kindergarten hearing test where the sound starts out silent

Question 14

Threshold Difference

1. What
2. Example

Answer 14

1. Amount of stimuli needed to detect a change in the original stimulus.
2. crescendo from piano

Question 15

Weber’s Law**

Answer 15

Amount of stimulus needed to detect a just noticeable difference is a fraction of the original stimulus.

Question 16

Method of Adjustments

Answer 16

test subject controls the stimulus

Question 17

Method of Limits

Answer 17

Experimenter controls the stimuli

Question 18

Method of Constant Stimuli

Answer 18

Experimenter controls stimuli, randomly presents the stimulus

Question 19

What are the two chemical senses?

Answer 19

Taste and Smell

Question 20

Taste

1. Receptor name
2. Four tastes
3. Optimal tasting temp.

Answer 20

1. Taste buds
2. Sweet, sour, bitter, and salty.
3. 71 - 87 degrees Fahrenheit

Question 21

Smell
1. Receptor name
2. How many smells?
first-later-now

Answer 21

1. Olfactory membranes

2. four-six-ten

Question 22

Five Smells?

Answer 22

spoiled 
chemical
Flowery 
fruity
burnt

Question 23

Touch

1. Receptor Name
2. Function

Answer 23

1. Epidermis

2. Detect pressure, pain, and temp.

Question 24

Site Receptor Specificity Theory

Answer 24

Pain emanates from the SITE of the injury

Question 25

Gate Control Mechanism Theory 1. What/how 2. example

Answer 25

1. Pain message travels through gates getting to brain. If gate doesn't open, pain message isn't received by brain. 2. Acupuncture

Question 26

Sight | 1. Receptor Name

Answer 26

rods and cones

Question 27

Rods function and location

Answer 27

Detect object, located in the periphery of the eye

Question 28

Cones function and location

Answer 28

Detect color, located in the center of the eye

Question 29

How light goes thru eye | 3 steps

Answer 29

1. Enters thru pupil 2. Focused by lens 3. falls on back surface of eye (retina)

Question 30

Dichromatic color blindness 1. What 2. What colors?

Answer 30

1. Two colors can't be detected | 2. Red/Green or Yellow/Blue

Question 31

Achromatic color blindness | 1. What?

Answer 31

1. No color is detected

Question 32

Blindspot 1. What? 2. Why? (2)

Answer 32

1. No visual acuity 2. no rods and cones where optic nerve connects to the eyeball No photoreceptors on the retina at this point.

Question 33

Hearing Receptor name

Answer 33

Auditory Nerve in ears

Question 34

How Sound travels through ears (2 steps

Answer 34

1. Sound enters outer ear and causes movement of the eardrum. 1. Auditory nerve sends electro-chemical signals to the brain for processing.

Question 35

define Equilibrium

Answer 35

Sense of Balance

Question 36

deine Kinesthesis

Answer 36

knowing the position/ movement of body

Question 37

What is the sensory sequence? | 4

Answer 37

Stimulant →Receptor →Sensation →Perception

Question 38

Vision Part of Brain

Answer 38

Occipital Lobe

Question 39

Sound Part of Brain

Answer 39

Temporal Lobe, Auditory Cortex

Question 40

Smell And Taste Part of Brain

Answer 40

Prefrontal Lobe, Olfactory Bulb, Thalamus

Question 41

Touch Part of Brain

Answer 41

Somatosensory Cortex

Question 42

Medulla where? function

Answer 42

1. Hindbrain | 2. Involved in vital functions such as heart rate, blood pressure, and breathing.

Question 43

Pons Where? Function?

Answer 43

1. Hindbrain | 2. Located in front of the medulla and is involved in regulating body movement, attention, sleep, and alertness.

Question 44

Cerebellum Where? Function

Answer 44

1. Hindbraing | 2. Involved in balance and coordination.

Question 45

Midbrain areas involved with?

Answer 45

vision and hearing

Question 46

Reticular Activating System where? function?

Answer 46

1. hindbrain-rises through the midbrain-into lower part of the forebrain. 2. Important for attention, sleep, and arousal. Stimulation of the system makes us alert.

Question 47

function of forebrain

Answer 47

complex thinking

Question 48

Thalamus is for

Answer 48

relay station for sensory stimulation.

Question 49

Hypothalamus is for

Answer 49

senses hunger, thirst, body temp.etc

Question 50

Limbic System is for

Answer 50

memory, emotion, hunger, sex, and aggression.

Question 51

Cerebrum is for

Answer 51

Site of most conscious and intellectual activities.

Question 52

Cerebral Cortex is for

Answer 52

thinking

Question 53

Occipital Lobe is for (sense)

Answer 53

vision

Question 54

Temporal Lobe is for (sense)

Answer 54

hearing

Question 55

Parietal Lobe is for (sense)

Answer 55

touch

Question 56

Broca’s Area is for

Answer 56

speaking

Question 57

Wernicke’s Area is for

Answer 57

language comprehension

Question 58

PERCEPTION | 3

Answer 58

personal experiences, emotional state, and previous learning.

Question 59

Perceptual Set

Answer 59

mindset when we perceive

Question 60

Size Constancy

Answer 60

The size of an object remains constant even when the viewing distance changes.

Question 61

Shape Constancy

Answer 61

The shape of an object remains constant even if the viewing angle changes.

Question 62

Brightness Constancy

Answer 62

The brightness of an object remains constant, even if the amount of light around it changes.

Question 63

Global Motion Parallax

Answer 63

Motion and depth which combine to form an illusion

Question 64

Muller – Lyer Illusion

Answer 64

opening up and closing in

Question 65

Figure Ground Illusion

Answer 65

Main figure vs. Background (vase)