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Psychology: Catatonia and Its Diagnosis

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Questions and Answers

Who is credited with first describing the concept of catatonia?

Van der Heijden

Kahlbaum (correct)

Northoff

Osman

What has been suggested to be a contributing factor to the under-diagnosis of catatonia?

Insufficient training of psychiatrists

Lack of standardised rating scales (correct)

Over-reliance on antipsychotics

Cultural differences in symptom presentation

What is the primary inhibitory neurotransmitter in the brain that may be deficient in catatonia?

Serotonin

Glutamate

Gamma-aminobutyric acid (GABA) (correct)

Dopamine

What is the effect of benzodiazepines on GABA activity?

Increase Signup and view all the answers

What is a suggested underlying neurochemical dysfunction in catatonia?

Hyperactivity of glutamate Signup and view all the answers

Why are dopamine-blocking antipsychotics not generally beneficial in catatonia?

They may worsen the underlying neurochemical imbalance Signup and view all the answers

What is a possible underlying mechanism in catatonia according to Moskowitz's hypothesis?

Evolutionary fear response Signup and view all the answers

What is the name of the condition that is postulated to be due to cholinergic and serotonergic rebound hyperactivity?

Clozapine-withdrawal catatonia Signup and view all the answers

What is the term used to describe the combination of immobility and mutism in catatonia?

Stupor Signup and view all the answers

What is the name of the psychiatrist who wrote the article about catatonia?

Sundararajan Rajagopal Signup and view all the answers

What is the area of the brain where abnormalities in metabolism have been identified in chronic catatonia?

Both a and b Signup and view all the answers

What is the purpose of the article about catatonia?

To provide an overview of the key aspects of catatonia Signup and view all the answers