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UNILATERAL NEGLECT (PUSHER SYNDROME (May occur early stages of stroke…
UNILATERAL NEGLECT
The failure to report, respond, or orient to novel or meaningful stimuli presented to the side opposite a brain lesion, when their failure cannot be attributed to either sensory or motor defects
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Common hypothesis is related to attention-based impairments and has been described as a lateralised attention deficit
BEHAVIOUR OBSERVED
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Right hemisphere thought to be dominant for attention so supports this hypothesis - but right neglect is possible (about 10-13%)
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Motor neglect
The underuse of a contralateral limb that cannot be explained by primary sensorimotor deficits - e.g. little or no use in bilateral tasks, or gesture, relatively intact movement when encouraged to move
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PUSHER SYNDROME
May occur early stages of stroke recovery - usually following a non-dominant hemisphere stroke (often in posterior thalamus) and is a collection of impairments
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Head turned to the unaffected side and is at the same side shifted laterally towards that side. When sitting, unable to relax muscles in order to allow the head to be side flexed towards the affected side, although it moves freely towards the unaffected side.
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Ability to perceive incoming visual, auditory and tactile stimuli from the affected side is reduced
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