Visual Information Processing Paper Week 2 PSYCH640

1693 Words7 Pages
Visual Information Processing
Roland Browne
December 16, 2013

Visual Information Processing
The human brain is capable of perceiving and interpreting information or stimuli received through the sense organs (i.e., eyes, ears, nose, mouth, and skin) (Weiten, 1998). This ability to perceive and interpret stimulus allows the human being to make meaningful sense of the world and environment around them. However, even as the human being is able to perceive and interpret stimuli information through all sense organs, stimuli is most often or primarily interpreted using the visual (eyes) and auditory (ears) sense organs (Anderson, 2009). However, for the purpose of this paper, the visual information process will be examined.
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Visual Impairments When damage to certain regions of the brain occurs, conditions may develop where one is able to register visual information but incapable to distinguish anything (Anderson, 2009). Consequently, difficulties with visual impairments can include an inability within the brain to interpret and or process visual information (Anderson, 2009). Thus, visual perception impairments or disorders typically refer to the inability to make sense of information received through sight (the eyes) (Weiten, 1998). One such visual perception disorder is visual agnosia. Visual agnosia refers to the “…inability to recognize objects that results neither from general intellectual loss nor from a loss of basic sensory abilities,” (Anderson, 2009, p. 32). There are generally two types of visual agnosia: apperceptive agnosia and associative agnosia. Apperceptive agnosia is the inability to recognize or draw simple shapes as they are shown or represented. Associative agnosia is the ability to recognize and copy drawings of simple and complex shapes. However, person with associative agnosia are unable to recognize the complex objects (Anderson, 2009). Visual agnosia can drastically affect one’s ability to learn. For example, a child with visual agnosia may find it difficult to recognize letters and numbers, thereby making it difficult to learn to read and perform other tasks imperative for retaining information learned. To compensate for the

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