| Term 
 | Definition 
 
        | the state of selectively allocating mental energy to a sensory stimulus |  | 
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        | Term 
 | Definition 
 
        | a neurological disorder in which a part of the body or a part of the visual field is ignored or suppressed; most commonly associated with damage to posterior parietal areas of the brain |  | 
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        | Term 
 | Definition 
 
        | a mass of neurons in the posterior thalamus that have widespread reciprocal connections with areas across the cerebral cortex |  | 
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        | Term 
 | Definition 
 
        | a cortical area in the frontal lobe involved in the generation of saccadic eye movements |  | 
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