Perception Flashcards

1
Q

Interoception

A

Awareness of own bodily needs

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2
Q

Proprioception

A

Sense of where our limbs are in space

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3
Q

Nociception

A

Sense of pain due to body damage

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4
Q

Equilibrioception

A

Sense of balance

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5
Q

Synaesthesia

A

neurological condition in which
one sense automatically triggers
the experience of another sense

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6
Q

Grapheme-colour synesthesia

A

Colour with letter/numbers

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7
Q

Chromesthesia

A

Sound can evoke an experience of colour

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8
Q

McGurk Effect

A

hear what you see

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9
Q

Early visual processing

A

Sensation, Eyes and the optic nerve

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10
Q

Late visual processing

A

Perception, The visual cortex or
occipital lobe

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11
Q

Cones

A

Color receptors, in center of eye (fovea)

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12
Q

Rods

A

Light receptors, in periphery

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13
Q

Visual Association Areas

A

interpret visual signal, assigns meaning

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14
Q

WHAT pathway (ventral)

A

Occipital to temporal lobes; Shape, size, visual details

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15
Q

WHERE pathway (dorsal)

A

Occipital to parietal lobes; Location, space, movement information

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16
Q

Ventral Damage

A

impaired performance on visual object recognition or matching tasks

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17
Q

Dorsal Damage

A

Impaired performance on visual guided action

18
Q

Bottom-up processing:

A

the influence of information from the
external environment on perception

19
Q

Top-down processing:

A

the influence of knowledge
(expectations, context and goals) on perception

20
Q

Constructivist Theory of Perception

A

use what we already know
and expectations to predict how
to perceive sensory information (top-down)

21
Q

Cortical homunculus

A

Spatially organized map of the body for sensory and motor (freakylooking dude)

22
Q

Olfaction as direct connections

A

to memory and emotion brain regions … other senses go through the thalamus

23
Q

What has a stronger link to memory and emotion than any of
the other senses

A

Smell (olfaction)

24
Q

Taste works with which other sense

A

Smell (olfaction)

25
Q

Some illusions that are examples of assumptions about the visual world:

A
  • The Ponzo illusion
  • The monster illusion
  • The world is lit from
    above
26
Q

Gestalt Psychology:

A

There are fundamental organizational principles to deal with ambiguity in our environment

27
Q

Gestalt Psychology: The principle of experience

A

Figure ground segmentation

28
Q

Gestalt Psychology: Visual grouping principles

A
  • Principle of proximity
  • Principle of closed forms
  • Principle of good contour
  • Principle of similarity
29
Q

Direct models of perception

A

A passive bottom-up approach to perception. Sensory information is rich enough for perception

30
Q

Affordances

A

Cues indicate potential function of an object

31
Q

Blindsight

A

No conscious awareness of visual objects in damaged visual field. Able to implicitly respond to questions about objects presented
in the damaged visual field

32
Q

Visual Perception: Damage to the Dorsal pathway impacts?

A

spatial information
depth perception
estimating movement and
direction of objects

33
Q

Akinetopsia (WHERE pathway Damage)

A

Visual motion blindness: cannot see motion. Instead, perceives motion as a series of stationary objects

34
Q

Optic ataxia (WHERE pathway Damage)

A

Inability to reach for objects with the ability to name objects

35
Q

Visual agnosia (WHAT pathway damage)

A

Difficulties recognizing everyday objects, can be specific ie. faces

36
Q

Prosopagnosia

A

Fusiform face area (FFA) damage leads to a selective deficit in recognizing faces (Facial blindness)

37
Q

Apperceptive visual agnosia:

A

Problems perceiving objects as whole (for prosopagnosia, faces look contorted )

38
Q

Associative visual agnosia:

A

Problems assigning meaning to objects (for prosopagnosia, can’t recognize familiar famous faces)

39
Q

Template matching theory

A

Every object has a ‘template’ in long-term memory

40
Q

Feature detection

A

Visual input is broken down into
individual parts (features)

41
Q

Prototypes Theory

A

A prototype is the average representation of an object concept