sensation and perception Flashcards

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1
Q

what is sensation

A

the botton up process by which our senses receive and relay outside stimuli it is a physical input

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2
Q

name the 5 senses

A
  1. wave sense
  2. sight/ sound
  3. chemical senses
  4. taste smell
  5. neural sense
  6. touch
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3
Q

what are 3 things determine our ability to sense a stimuli

A
  1. are we equipped
  2. “strength” of stimuli
  3. psychological state
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4
Q

absolute threshold

A

the minimum stimulation needed to register a particular stimulus fifty percent of time. Not same for everyone

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5
Q

difference threshold

A

the point at which you can tell the difference between 2 stimuli.(difference in color)

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6
Q

signal detection theory

A

a model for predicting how and when a person will detect a weak stimuli, based on context.

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7
Q

sensory adaption

A

we adjust to regular or consistent sensory inputs

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8
Q

sensory interaction

A

we adjust to regular or consistent sensory inputs

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9
Q

what is perception

A

the top-down way our brains organize and interpret that information and put it into context.(theme 5)

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10
Q

figured ground relationship

A

the organization of the visual/audible field into objects 9signal) that stands out from their surroundings (sight and noise/noise)

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11
Q

rules of grouping

A
  1. Proximity - same dots
  2. Conituly- cross
  3. Closure- pie
  4. Similarity- 2 different dots
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12
Q

attention

A

the process of what information receives detained mental actively

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13
Q

consciousness

A

our awareness of ourselves and e=our environment. consciousness= Wakefulness+awareness.

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14
Q

selective attention

A

the focusing of consciousness awareness on a particular stimulus or a group of stimuli

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15
Q

inattentional blindness

A

you often don’t see what you are looking for

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16
Q

biological rhythms

A
  1. Infradian (dian/day) occurs less than once per day. (Menstrual cycle)
  2. Circadian- occurs approximately every 24 hours (
  3. Ultradian- occurs more frequently than every 24 hours. (you only breathe out of one nose hole)
17
Q

what are three benefits of sleep

A

recuperation
growth
mental function

18
Q

first stage of nrem

A

Stage 1- nrem one (lightest 1-7min)

19
Q

second stage of nrem

A

Stage 2- nrem 2 (light 10-25min)

20
Q

third stage of nrem

A

Stage 3- nrem 3(deep steep 20-40min)

21
Q

fourth stage of nrem

A

Stage 4- (REM20-40min)-