Chapter 2: Examine Perceptual Function

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  1. Testing Considerations
    • Suspect perceptual dysfunction if pt has difficulty with functional mobility skills or ADLs for reasons that cannot be accounted for by specific sensory, motor , or comprehension deficits
    • Rule out specific sensory and motor loss, language impairments, hearing loss or visual disturbance as cause of loss of function
    • Rule out psychological/emotional and cognitive factors
  2. Tests for Homonymous Hemianopsia
    • Loss of 1/2 of visual field in each eye
    • Contralateral to side of cerebral hemisphere lesion
    • Slowly bring 2 fingers from behind head into its visual field while asking pt to gaze straight ahead
    • Pt indicates when and where fingers 1st appear
  3. Examine for Body Scheme/Body Image Disorders
    • Body scheme disorder (somatognosia)
    • Visual spatial neglect (unilateral neglect)
    • Right/left discrimination disorder
    • Anosognosia
  4. Body Scheme Disorder (Somatognosia)
    Have pt identify body parts or their relationship to each other
  5. Visual Spatial Neglect (Unilateral Neglect)
    Determine whether pt ignores one side of body and stimuli coming from that side
  6. Right/Left Discrimination Disorder
    Have pt identify right and left sides of his or her own body and your body
  7. Anosognosia
    • Severe denial, neglect or lack of awareness of severity of condition
    • Determine whether pt shows severe impairments in neglect and body scheme
  8. Examine for Spatial Relations Synrome
    • Figure-Ground Discrimination
    • Form Constancy
    • Spatial Relations
    • Position in Space
    • Topographical Disorientation
    • Depth and Distance Imperceptions
    • Vertical Disorientation
  9. Figure-Ground Discrimination
    • Have pt pick out an object from an array of objects¬†
    • Example = brake from rest of WC
  10. Form Constancy
    • Have pt pick out an object from an array of similarly shaped but different-sized objects
    • Example = large block from group of blocks
  11. Spatial Relations
    Have pt duplicate a pattern of 2 or 3 blocks
  12. Position in Space
    Have pt demonstrate different limb positions
  13. Topographical Disorientation
    • Determine whether the pt can navigate a familiar route on his or her own
    • Example = travel from room to PT clinic
  14. Depth and Distance Imperceptions
    • Determine whether pt can judge depth and distance
    • Example = navigate stairs, sit down in chair
  15. Vertical Disorientation
    • Determine whether pt can accurately identify when something is upright
    • Example = hold a can, ask pt when it is vertical; ask pt to determine whether own body is vertical
  16. Examine for Agnosia
    • Inability to recognize familiar objects with one sensory modality while retaining ability to recognize same object with other sensory modalities
    • Subject doesn't recognize an object (clock) by sight, but can recognize it by sound (ticking)
  17. Examine for Apraxia
    • Inability to perform voluntary, learned movements int he absence of loss of sensation, strength, coordination, attention, or comprehension
    • Represents a breakdown in the conceptual system or motor production system or both
  18. Ideomotor Apraxia
    Pt cannot perform the task on command but can do the task when left on own
  19. Ideational Apraxia
    Pt cannot perform the task at all, either on command or on own
Card Set:
Chapter 2: Examine Perceptual Function
2015-03-09 00:09:24
Perceptual Function Exam
NPTE: Chapter 2
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