Attention |
Impaired attention to novel stimuli, impaired selective attention |
Memory and learning |
Poor working memory (impairment in brief and transient storage and processing of information) |
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Poor temporal memory (difficulty in remembering temporal status of events i.e., difficulty in ascertaining relative recency of different events) |
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Poor prospective memory (difficulty in remembering intentions for carrying out future actions) |
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Increased sensitivity to proactive interference |
Executive functions |
Poor planning of behavior |
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Poor strategy formation and problem solving |
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Poor decision making |
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Poor set-shifting |
Motor behavior |
Unsystematic gaze movements |
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Poor movement programming (e.g., problem in alternating movements of hands) |
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Poor fine movement |
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Motor impersistence, perseveration |
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Unilateral hypokinesia and unilateral motor neglect |
Speech |
Expressive aphasia |
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Decreased verbal fluency |
Self-control |
Grasp reflex (automatic tendency to grip objects coming in contact of hand) |
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Groping response (the hand tends to follow and manipulate an object, e.g., holding, rubbing, etc., following tactile stimulation. Apart from hands, often the eyes also follow the object in somewhat magnetic fashion) |
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Imitation behavior (tendency to imitate other's gestures or movements) |
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Utilization behavior (appropriate movement done in a context that is inappropriate, e.g., while eating the patient may pick up a comb and start combing his hair just because a comb has been kept in front of him by someone) |
Abstract thinking |
More reliance on concrete and superficial clues |
Affect |
Inappropriate or blunted affect |
Sphincter control |
Little or no concern about urinating or defecating at inappropriate places |