Circadian Rhythms and Psychiatry — MCQs

Which condition is associated with periodic discharges on EEG at 4-second intervals?

What is the most reliable diagnostic tool to differentiate between psychological and organic erectile dysfunction?

Melatonin is secreted by

All of the following factors are involved in altered patterns of hormone release except

Hormonal secretions are tightly controlled by the time of day due to an inbuilt biological clock in human body. This rhythmic secretion is controlled by:

All are used in the treatment of nocturnal enuresis except?

Appetite is stimulated by all except

Which of the following is false about bipolar disorder?

What is the primary characteristic feature of Klein-Levin syndrome?

A 45-year-old man with treatment-resistant depression is being considered for transcranial magnetic stimulation (TMS). His brain MRI shows an old infarct in the left frontal lobe with residual gliosis. Which parameter should be most carefully adjusted during TMS therapy?