Back to AI Flashcard MakerPsychology /Cognitive Psychology Chapter III Perception (74-81)
Cognitive Psychology Chapter III Perception (74-81)
This deck covers key concepts from Chapter III of Cognitive Psychology, focusing on perception, the eye's anatomy, and Gibson's framework for studying perception.
what is a mental percept?
a mental representation of a stimulus that is perceived
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Key Terms
Term
Definition
what is a mental percept?
a mental representation of a stimulus that is perceived
What does the existence of perceptual illusions suggest?
that what we sense (in our sensory organs) is not necessarily what we perceive (in our minds)
What is the name of the protective covering of the eye?
cornea
After it passed through the cornea light passes through the _____, the opening that lies at the center of the ______.
After it passed through the cornea light passes through the pupil, the opening that lies at the center of the iris.
What’s the entire name of the lense located behind the iris?
crystalline lens
What’s the name of the gel-like fluid that comprises the majority of our eye?
vitreous humor
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| Term | Definition |
|---|---|
what is a mental percept? | a mental representation of a stimulus that is perceived |
What does the existence of perceptual illusions suggest? | that what we sense (in our sensory organs) is not necessarily what we perceive (in our minds) |
What is the name of the protective covering of the eye? | cornea |
After it passed through the cornea light passes through the _____, the opening that lies at the center of the ______. | After it passed through the cornea light passes through the pupil, the opening that lies at the center of the iris. |
What’s the entire name of the lense located behind the iris? | crystalline lens |
What’s the name of the gel-like fluid that comprises the majority of our eye? | vitreous humor |
What’s the name of the network of neurons extending over the posterior surface of the interior of the eye? | retina |
What happens at the retina? | electromagnetic light energy is transduced/converted into neural electrochemical impulses |
The retina consists of how many layers? | 3 |
the first layer of the retina is a layer of … | … ganglion cells |
The optic nerve constits of the axons of the … | … ganglion cells |
single lateral connections among adjacent areas of the retina are made by | • amacrine cells • horizontal cells |
bipolar cells in the second layer of the retina make connections … | … outward to the ganglion cells and inwards to the third layer of the retina |
The third layer of the retina consists of … | … photoreceptors! |
Photoreceptors transduce … | … electromagnetic light energy into electrochemical impulses. |
The strange setup of the retina results in what order of processing? | • light must pass through layer 1 and layer 2 • photoreceptors transduce in layer 3 • impulses are send outwards again to layer 1 and then • via the optical nerve towards the brain |
two types of photoreceptors and a boolean expression: | rods > cones |
what’s the name of the chemical substances within photoreceptors that react to light? | photopigments |
Route of the optic nerve? | retina -> optic chiasm -> thalamus -> V1 |
Which photoreceptors are responsible for color vision in bright light? | cones |
Which photoreceptors work also in low light conditions? | rods |
Who provided a useful framework for studying perception? | James Gibson (1966, 1979) |
Four concepts introduced by Gibson: | • distal (external) object • informational medium • proximal stimulation • perceptual object |
According to Gibson, what is the distal object? | The object in the external world |
According to Gibson, what does a falling tree cause, before we perceive it? | It imposes a pattern on an informational medium. |
What do the following parts of Gibson's framework of perception suggest: distal object and informational medium | that prerequisits for perception of objects begin early |
What occurs when the information of a distal object comes into contact with the appropriate sensory receptors? | proximal stimulation |
what is the final product of Gibsonian perception? | a perceptual object |
What are the four stages in the Gibsonian Continuum of Perception? | distal object -> informational medium -> proximal stimulation -> perceptual object |