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Perception. SpEd 5351. What is Perception?. Ability to process stimuli meaningfully To organize and interpret sensory stimuli Ability to make judgment about and attach meaning to incoming stimuli

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SpEd 5351

what is perception
What is Perception?
  • Ability to process stimuli meaningfully
  • To organize and interpret sensory stimuli
  • Ability to make judgment about and attach meaning to incoming stimuli
  • Ability to ascribe meaning to sensory information of all kinds(auditory, visual, gustatory, olfactory, tactile, and kinesthetic stimuli)
perception in special education history
Perception in Special Education History
  • Samuel Orton (1930’s): failure to achieve cerebral hemispheric dominance
  • Werner & Strauss (1930’s & 40’s): Srauss syndrome; visual-perceptual and perceptual-motor problems as well as distractibility and hyperactivity
  • Cruickshank’s (1950’s): supported Strauss’s work with subjects without MR
  • Newall Kephart (1960’s): perceptual motor development theory
perceptual assessments
Perceptual Assessments
  • Kirk (1960’s): Illinois Test of Psycholinguistic Abilities (ITPA)focusing on perceptual component of cognition
  • Marianne Frostig (1964): Developmental Test of Visual Perception to assess visual perceptual skills in reading performance
assessment of perceptual functioning
Assessment of Perceptual Functioning
  • Visual and auditory channels are often treated as separate entities (eg.,visual and motor development interact to aid each other and auditory perception and visual perception often support one another).
  • Behavioral observations
    • Following directions
    • Copying letters, including both far-and near-point copying
    • Writing; drawing; and manipulating various tools and devices
    • Listening
    • Identifying letters and letter sounds
visual perception
Visual Perception
  • Visual discrimination: identify dominant features in different objects and to discriminate among a variety of objects
  • Visual figure-ground discrimination: distinguish an object from its background
  • Object recognition: recognize essential nature of an object
  • Spacial relations: determine the position of physical objects in space
  • Visual memory: recall the dominant features of a stimulus that is no longer present
  • Visual closure: identify figures that are presented in incomplete form
auditory perception
Auditory Perception
  • Auditory discrimination: recognize differences between sounds
  • Auditory blending: ability to make a complete word by blending the individual phonological elements
  • Auditory figure-ground discrimination: distinguish a sound from its background
  • Auditory memory: recognize and recall previously presented auditory stimuli (rote memory)
  • Auditory closure:identify words and sounds that have been presented in incomplete form
  • Auditory association: ability to relate ideas, find relationships, make associations, and categorize information