Cognitive Disruptions

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Introduction

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Confusion

delerium

meds!

depression

infection

fatigue

trauma

intoxication

malnutrition

 

 

Delusions

Delusions are fixed, falsed belief out of keeping with a person's background and firmly held despite incontroverable evidence to the contrary. To call them delusions, one needs evidence that belief is false and patient is unshakeable.

 

Common delusions include:

 

 

Hallucinations

Hallucinations are sensory perceptions in the absence of external stimuli. There are similar in quality to a true perception; that is, people can easly think they are real.

Auditory hallucinations are the most common. Others include visual, gustatory, olfactory, or tactile.

 

If people seem to be looking at something, say "what's going on?"

 

A good way to screen is:

"Sometimes people see/hear things that other people don't seem to notice. Does this ever happen to you?"

 

 

Depersonalization

Depersonalization is a loss of sense of self; person feels unreal, detached from his or her body, and/or unable to feel emotion.

 

 

Impulsivity

Related to self-control, and potentially labile mood?

 

Poor impulse control can be related to structural brain disease

 

 

 

Aphasia

Aphasia can often follow a sudden

Word-finding problems are common in dementia

 

Broca's Aphasia

 

Wernicke's Aphasia

can have

 

Paraphasic errors

 

 

Apraxia

Loss of ability to carry out familiar, purposeful movements in the absence of paralysis. It is especially related to objects such as hammers or pens.

 

Idiomotor apraxia -

cannot copy what the testor does

 

 

 

Agnosia

Agnosia is the failure to recognize or identify objects in someone whose senses work fine.

 

 

 

 

 

 

Resources and References

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