Perception at Örebro University | Flashcards & Summaries

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Lernmaterialien für Perception an der Örebro University

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Retina 

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It's layers in the back of the eye, where you can find rods and cons, bipolar cells and gangilon cells. 

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Bipolar cells 

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Are the one that receive information from the rods and cones and in turn they collect the infomation and move it to the third layer. 

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Recognition by Components  (Biederman's 1987, 1990)

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We recognize objects by breaking them down into their components (part), then looking up this combination of components in the memory to see which object matches the combiantion. We have a basic "primitives", geometric formes that are called geons. Then we recognize them the edges and so on.

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Inattentional blindness

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Failure to notice an unexpected stimulus we are looking at directly, because our attention is directed elsewhere. Not noticing something because you focus on something else. 

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Rods and cones

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Are in the back layer of neurons and are the one stimulated by light, beginning the processe of vision, so they are the one that take the light and convert into neural impulse.

The rods are the one that are very sensitive to light, so they are very good at night vision. There are about 120 million Rods in each retina. 

Cones are responsible for color vision and there are three different kinds, green, blue and red. Most of the cones are in an area called the fovea, the fovea proveds us with our most accurate vision. There are 7 million cones.

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Perception 

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The process of understanding and interpreting (explain the meaning of something) sensory information; the act of sensing then interpreting that information. 

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How does vision work?

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many believe that something goes out of the eye (attention). Vision is not the result of some force or ray or "thong" coming out of the eye toward the thing we are looking at. Instead vision is triggered  when the reflection of light from an object hit our eyes.

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Most usefull information 

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The most usefull infomation come from the visual system.

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Change blindness

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Failure to notice an obvious change in visual stimuli when those changes occur during a saccade (eye sweep). Attention is necessary but not sufficient for visual awareness. People miss changes to attended objects if they do not focus on and compare the features that changed. Something in the environment changes and you don’t notice it because your focus is elsewhere.

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Fixations

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Movements that are interrupted by pauses.  

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Saccades

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The eye sweeps from one point to another in fast movements. You can't see your eyes doing an saccede, because it is if we are bling in thoes moments, you can only see the visual field you are looking directly at. 

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Eyes to brain

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Each eye transformes information to both of the hemispheres. The left half of the retina in each eye receives images from the right visual field. Also the right half of the retina in each eye receives images from the left visual field. 

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Beispielhafte Karteikarten für deinen Perception Kurs an der Örebro University - von Kommilitonen auf StudySmarter erstellt!

Q:

Retina 

A:

It's layers in the back of the eye, where you can find rods and cons, bipolar cells and gangilon cells. 

Q:

Bipolar cells 

A:

Are the one that receive information from the rods and cones and in turn they collect the infomation and move it to the third layer. 

Q:

Recognition by Components  (Biederman's 1987, 1990)

A:

We recognize objects by breaking them down into their components (part), then looking up this combination of components in the memory to see which object matches the combiantion. We have a basic "primitives", geometric formes that are called geons. Then we recognize them the edges and so on.

Q:

Inattentional blindness

A:

Failure to notice an unexpected stimulus we are looking at directly, because our attention is directed elsewhere. Not noticing something because you focus on something else. 

Q:

Rods and cones

A:

Are in the back layer of neurons and are the one stimulated by light, beginning the processe of vision, so they are the one that take the light and convert into neural impulse.

The rods are the one that are very sensitive to light, so they are very good at night vision. There are about 120 million Rods in each retina. 

Cones are responsible for color vision and there are three different kinds, green, blue and red. Most of the cones are in an area called the fovea, the fovea proveds us with our most accurate vision. There are 7 million cones.

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Q:

Perception 

A:

The process of understanding and interpreting (explain the meaning of something) sensory information; the act of sensing then interpreting that information. 

Q:

How does vision work?

A:

many believe that something goes out of the eye (attention). Vision is not the result of some force or ray or "thong" coming out of the eye toward the thing we are looking at. Instead vision is triggered  when the reflection of light from an object hit our eyes.

Q:

Most usefull information 

A:

The most usefull infomation come from the visual system.

Q:

Change blindness

A:

Failure to notice an obvious change in visual stimuli when those changes occur during a saccade (eye sweep). Attention is necessary but not sufficient for visual awareness. People miss changes to attended objects if they do not focus on and compare the features that changed. Something in the environment changes and you don’t notice it because your focus is elsewhere.

Q:

Fixations

A:

Movements that are interrupted by pauses.  

Q:

Saccades

A:

The eye sweeps from one point to another in fast movements. You can't see your eyes doing an saccede, because it is if we are bling in thoes moments, you can only see the visual field you are looking directly at. 

Q:

Eyes to brain

A:

Each eye transformes information to both of the hemispheres. The left half of the retina in each eye receives images from the right visual field. Also the right half of the retina in each eye receives images from the left visual field. 

Perception

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