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Definition
Inability to perform mathematical operations.
Difficulty in performing arithmetical operations |
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Definition
| Partial or complete inability to recognize sensory stimuli, unexplainable by a defect in elementary sensation or by a reduced level of alertness. |
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Definition
| Decline in ability to write or loss |
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Definition
Partial or total loss of memory
Anterograde and retrograde |
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Definition
| Difficulty in finding words, especially those naming objects. |
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Definition
Defect or loss of the power of expression by speech, writing, or signs or of comprehending spoken or written language due to injury or disease of the brain.
Receptive |
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Definition
| From motor strip on either side |
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Definition
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Term
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Definition
| (lesion is any damage to the nervous system) |
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Term
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Definition
| Loss of pattern vision in either the left or right visual field. |
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Definition
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Definition
| Blindness in one eye caused by the destruction of its retina or optic nerve. |
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Term
Contralateral Neglect
Unilateral visual Neglect |
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Definition
Neglect of part of the body or space contralateral to a lesion.
Neglect of all sensory events of one or more modalities of stimulation when the stimulation is restricted to one half o the world as defined by the central axis of the body. |
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Term
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Definition
| General term for loss fo physical and mental ability due to brain disease, particularly from syphilitic infection; a term for slight or incomplete paralysis |
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Definition
| Stimuli on both sides but only recognized on one side |
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Term
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Definition
Visual agnosia
Visual distortion
Visual confusion
Visual integration |
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Term
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Definition
| Loss of ability to recognize or ot acknowledge an illness or bodily defect, usually associated with right parietal lesions |
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Term
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Definition
| Loss of knowledge or sensory awareness of one's own body and bodily condition; may be on one or both sides of the body; most commonly results from damage to the right parietal lobe. |
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Term
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Definition
| Inability, with no defect in elementary tactile sensation, to recognize familiar objects by touch |
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Definition
| Inability to distinguish fingers |
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Definition
| Inability, not explained by defective visual acuity or reduced consciousness or alertness, to recognize familiar faces; rare in pure form and thought to be secondary to right parietal lesions or bilateral lesions. |
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Definition
| Inability to remember events subsequent to a disturbance. |
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Term
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Definition
| Inability to remember events that took place before onset of amnesia |
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Definition
| Expressive, or nonfluent, aphasia that is chiefly a defect of speech; results from a lesion to Broca's area. |
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Term
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Definition
| Disturbance of language in which there is a severe deficit in producing language |
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Term
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Definition
| Loss of vision in both temporal fields due to damage to the medial region of the optic chiasm |
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Term
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Definition
| Total loss of vision due to complete cuts of the optic tract, lateral geniculate body, or area 17. |
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Term
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Definition
| Defective vision of blindness in one-fourth of the visual field |
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Term
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Definition
| Crossing of pathways from one side of the brain to the other |
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Term
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Definition
| Experimental technique by which two areas of neocortex are functionally dissociated by two behavioral tests, each test being affected by a lesion in one zone and not the other. |
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Term
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Definition
| Representation of the human body in the sensory or motor cortex; any topographic representation of the body by a neural area |
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Definition
| Process by which functions become located primarily on one side of the brain |
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Definition
| Unit of sound that forms a word or part of a word |
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Definition
| Variation in stress, pitch and rhythm of speech by which different shades of meaning are conveyed |
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Term
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Definition
| Ability to discriminate two individual points on the skin. The two-point threshold is the minimum distance apart that two points must be placed to be perceived as two points rather than one point. |
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Term
| Visuospatial disturbances |
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Definition
General effect on visual perception
visual neglect |
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