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Ap Psych > Sensations > Flashcards

Sensations Flashcards

1
Q

Absolute Threshold

A

The smallest level of stimuli that can be detected

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2
Q

Difference Threshold

A

Smallest noticeable difference between 2 stimuli

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3
Q

Weber’s Law

A

Difference threshold varies depending on intensity of original stimulus

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4
Q

Transduction

A

Act of sensing

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5
Q

Sensory Adaption

A

Growing a tolerance for a stimulus

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6
Q

Signal Detection Theory

A

Predicts when you will detect a stimulus
- No abs. Threshold
- Factors (alertness, motivation, etc. )

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7
Q

Inattentional Blindness

A

Not noticeable obvious object because attention was engaged.

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8
Q

Change Blindness

A

Failing to notice changes in enviroment

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9
Q

Subliminal messages

A

Detection of stimulus unconsciously.

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10
Q

Mere exposure effect

A

Repeated exposure to stimuli leads to liking for stimulus

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11
Q

Sensation

A

The process of detecting a physical stimulus.

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12
Q

Psychophysics

A

How sensation effects psychology

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13
Q

Pupil

A

Opening in the iris that lets light in.

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14
Q

Cornea

A

Clear membrane that covers the front of the eye

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15
Q

Retina

A

Thin light sensitive membrane located in the back of the eye

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16
Q

Iris

A

Colored part of the eye

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17
Q

Lens

A

Transport structure behind the pupil; bend light entering the eye

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18
Q

Accommadation

A

Process by which the lens changes shape to focus light onto retina.

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19
Q

Feature Decectors

A

Nerve cells in brain that responds to specific features. (movements, texture)

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20
Q

Ganglion cells

A

Neurons that connect Bipolar cells

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21
Q

Bipolar Cells

A

Neurons that connect rods and cones to ganglion cells

22
Q

Optic nerve

A

Point where optic nerve crossover.

23
Q

Trichromatic Theory

A

There are 3 cones. (red, green, blue) explains colorblindness.

24
Q

Opponent Process theory

A

Afterimage
Pairs (red-green) and (blue-yellow)

25
Q

Auditory perception

A

Sound waves interact with ear

26
Q

Sound waves

A

Changes over time in the pressure of an elastic medium (bounces off objects)
- NO air no sound

27
Q

Outer ear

A

Funnels sound into ear
- pinna, ear canal, ear drum

28
Q
A
29
Q

Middle ear

A

Amplify sounds
- Hammer, anvil, stirrup

30
Q

Inner Ear

A

Transduce sound into neural response
- cochlea, basilar membrane, optic nerve

31
Q

Threshold of pain

A

Threshold of sound that once crossed will start causing ear damage.

32
Q

Frequency Theory

A

Basilar membrane vibrates at the same frequency as the sound waves
- up to 1000 hz

33
Q

Place Theory

A

Different frequencies cause larger vibrates at different locations along the basilar membrane

34
Q

Localization

A
  • 2 ear
  • sound that reaches 1 ear before the other
  • leading us to find location
35
Q

Conduction Deafness

A

Can be help with hearing aid

36
Q

Nerve Deafness (Sensorineural)

A

Nerve damage, can not be helped with hearing aid.

37
Q

Olfactory nerves

A

Connected to the olfactory bulb in brain

38
Q

Olfactory Bulb

A

Enlarged ending of the olfactory cortex at the front of the brain where the sensation of smell is registered.

39
Q

Cilia and Mucus

A

Collect info to send to nerves

40
Q

Anasmia

A

lack of smell

41
Q

Pheromones

A

Chemicals signals released by an animal that communicates info + effects other animals of the same species.

42
Q

Taste

A

Sweet, salty, sour, bitter, umami (Savory)

43
Q

Kenesthetic

A

Sense of location of body parts in relative to each other.

44
Q

Proprioceptors

A

Receptor in muscle joints that help Kinesthetics

45
Q

Vestibular

A

Balance

46
Q

Semicircular canals/ vestibular sacs

A

Fluid filled parts in the ear that help with balance.

47
Q

Nociceptors

A

Free nerve endings that respond to pain

48
Q

A delta fibers

A

Quick pain (sharp)

49
Q

C delta fibers

A

Slow pain (throbbing)

50
Q

Gate control theory

A

Pain is a product of both physiological and psychological factors

51
Q

Phantom limb pain

A

Feeling sensation in a limb that is no longer there.

52
Q

Touch

A

Pressure (Pacinian receptors)
Itch (histamine)
Temperature

Ap Psych (13 decks)

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