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Procesamiento visual y percepción, Apuntes de Neurociencia Cognitiva

El proceso de percepción visual y cómo el cerebro procesa la información visual. Se explica cómo el cerebro construye la percepción y cómo descarta información. También se habla del procesamiento neural de la visión, la orientación visual y los principios de agrupamiento. Además, se aborda el problema de reconocimiento y los modelos de reconocimiento.

Tipo: Apuntes

2020/2021

A la venta desde 27/11/2022

miyen-1
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Definition: In what is understood as perception, it is denoted as
obtaining information
Learn to see: Some parts of the brain have a time to mature, and
this is when the brain should receive maximum stimulation.
Construction of Perception: so that it can be interpreted by the brain.
It all has to do with the depolarization of neurons.
Discard information: The less information it is easier to perceive
things, when visual perception has information it usually ignores certain
data, in addition to that it is easier to perceive points of light and
at the same time to complete figures.
Neural Processing of Vision:
Information enters through the
eyes where it is converted into
electricity and is carried by the
optic nerve to the optic chiasm
where it is received by the
lateral geniculate nucleus of
the thalamus where it goes to the
visual cortex where the
information becomes conscious.
Visual orientation: The visual
cortex has columns of neurons,
each column when it processes information and is excited inhibits the
other columns so that they do not interfere when processing stimuli.
Grouping Principles: Generally our information processing is automated,
that is why our nervous system tends to group stimuli, either by
proximity (if the stimuli are close), Connectivity (if they are directly
related) and by typology (aspects or features of the stimuli).
PERCEPTION
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Definition: In what is understood as perception, it is denoted as obtaining information  Learn to see: Some parts of the brain have a time to mature, and this is when the brain should receive maximum stimulation. Construction of Perception: so that it can be interpreted by the brain. It all has to do with the depolarization of neurons. Discard information: The less information it is easier to perceive things, when visual perception has information it usually ignores certain data, in addition to that it is easier to perceive points of light and at the same time to complete figures. Neural Processing of Vision: Information enters through the eyes where it is converted into electricity and is carried by the optic nerve to the optic chiasm where it is received by the lateral geniculate nucleus of the thalamus where it goes to the visual cortex where the information becomes conscious. Visual orientation: The visual cortex has columns of neurons, each column when it processes information and is excited inhibits the other columns so that they do not interfere when processing stimuli. Grouping Principles: Generally our information processing is automated, that is why our nervous system tends to group stimuli, either by proximity (if the stimuli are close), Connectivity (if they are directly related) and by typology (aspects or features of the stimuli).

PERCEPTION

Fill in the gaps: It is easier to fill in the figures or visual stimuli where they seem to be hidden. Linkage Problem: This is related to grouping, which is why at first sight the crosses appear to be the same but in reality they are not. Recognition: It is a process of matching the representations of our information within our brain with representations of sensory input. Agnosia: It is the loss of transforming simple sensations into perceptions, when you can describe the stimulus but you cannot recognize it. Recognition Models:  Matching with Templates: When you have a predetermined model of something specific that when you compare it with the new stimulus you immediately find the hits and include it within that model.  By components: If the organization of the components of the stimuli does not present the organization that it is supposed to have to be recognized.  Point of View: The way in which one sees the stimulus is capable of recognizing it, if you see a person from a different perspective it is a problem that at first you do not recognize it.