Perception 2

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Cards

What are the two categories of visual object knowledge? Form/object gnosias and prosopgnosia.  
Define form and object gnosias. Visual stimuli allows recognition and identification of an object.  
Define prosopgnosia. Facial recognition.  
What are the categories of visuoconstructive skills? Constructional praxia, ideomotor apraxia, ideational apraxia, and body scheme.  
Define constructional praxia. Intact graphomotor or assembly skills, two or three dimensional, ability to produce spatially coherent drawings or block arrangements.  
Define ideomotor apraxia. Loss of ability to do a motor task on command, but can be accomplished automatically.  
Define ideational apraxia. Loss of ability to use common objects related to their meaning (combing hair with fork).  
Define body scheme. Integrating of visual, proprioceptive, and tactile input that makes up the neural postural model.  
Define unilateral neglect. A type of body scheme deficit that affects the awareness of half of the body and space contralateral to the side of the stroke.  
What are the two categories that make up tactile object knowledge? Stereognosis and finger gnosia.  
Define sterognosis. Ability to identify objects through the sense of touch.  
Define finger gnosia. Ability to identify the finger being touched.  
What is the category within auditory object knowledge? Auditory gnosia.  
Define auditory gnosia. Ability to identify sound.  
What are common deficits in visual skill? Changes in acuity, diplopia, homonymous hemianopsia, and oculomotor dysfunction.  

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