Neuropsychiatry – 5

Published on 23/05/2015 by admin

Last modified 23/05/2015

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33 Neuropsychiatry – 5

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1. The amygdala has a role in visuo-spatial function.
2. The area implicated in dyslexia is supplied by the anterior cerebral artery.
3. Carbon monoxide poisoning is rarely associated with long-term sequelae.
4. Spongiform degeneration in CJD is due to neuronal loss.
5. A normal CSF pressure is 70–180 mm.
6. Metabolic disorders often increase alpha waves on the EEG.
7. Death by suicide occurs in 1.4% of patients with epilepsy.
8. Alternative psychosis with forced normalization of the EEG is a subtype of ictal psychosis.
9. Verbal recall is affected in right frontal lesions.
10. Linkage analysis can be used to study genetic disorders in families.
11. The transcriptome is a collection of RNA transcripts.
12. HIV enters the brain in the late stage of the illness.
13. Progressive memory loss is seen in HIV encephalitis.
14. The age of onset of Huntington’s disease is associated with the number of trinucleotide repeats.
15. In Huntington’s disease the degree of atrophy of the caudate nucleus is the best indicator of cognitive dysfunction.
16. Procedural memory is not affected in Korsakoff’s syndrome.
17. Lethargy in multiple sclerosis is often due to a depressive disorder.
18. Iomazenil is used as a ligand for benzodiazepine receptors.
19. The planum temporale is located in the anterior part of the inferior temporal gyrus.
20. Difficulties with spatial recognition are more likely to occur in lesions with right-sided hemiplegia than left-sided.
21. Stage 4 sleep occurs more frequently in the second half of the night.
22. Sleep apnoea is seen in left ventricular failure.
23. Superior oblique muscle paralysis results in an inability to see inwards and downwards.
24. The EEG in hypothyroidism shows reduced alpha waves.
25. White matter hyperintensities are most commonly periventricular.