Organic disorders Flashcards
1
Q
List the three physical illnesses most commonly implicated in organic mood disorders
A
multiple sclerosis
Cushing’s disease
Lewy body dementia
2
Q
Give four types of dementia
A
o Alzheimer
o Vascular
o Lewy body
o Fronto-temporal
3
Q
Give an example of an amnesic syndrome
A
Korsakoff’s syndrome
4
Q
List the features of delirium
A
- Impaired attention/concentration
- Anterograde memory impairment
- Disorientation in time, place or person
- Fluctuating levels of arousal (often nocturnal exacerbations)
- Disordered sleep/wake cycle
- Increased/decreased psychomotor activity
- Disorganised thinking as indicated by rambling, irrelevant or incoherent speech
- Perceptual distortions, leading to misidentification, illusions, and hallucinations
- Changes in mood such as anxiety, depression and lability
5
Q
Which viruses can cause viral encephalitis?
A
o Measles o Herpes simplex virus o Mumps, VZV, Arbovirus, Rubella o Influenza o EBV
6
Q
Give an example of bacterial encephalitis
A
Neurosyphilis
7
Q
What diseases can cause organic personality changes/disorders?
A
- Frontotemporal dementia
- Frontal lobe lesions
- Huntingdon’s disease
- Focal basal ganglia lesions
- Neurosyphilis
- CJD
- Paraneoplastic limbic encephalitis
8
Q
Which processes are preserved in amnesic syndromes?
A
global intellectual abilities
registration/working memory
procedural (implicit) memory
9
Q
Pathology/damage in which parts of the brain are most likely to cause memory problems?
A
Temporal lobes
Thalamus/related medial structures
