All are features of catatonia except –
**Core Concept**
Catatonia is a neuropsychiatric syndrome characterized by a range of abnormal behaviors, including immobility, mutism, and excessive motor activity. The underlying pathophysiology involves **dopamine** and **gamma-aminobutyric acid (GABA)** systems.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general features of catatonia, which include **stupor**, **catalepsy**, **waxy flexibility**, and **mutism**. These symptoms are thought to result from an imbalance in **neurotransmitter** systems.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option provided, we cannot determine why it is incorrect.
**Option B:** Similarly, without the option, we cannot assess its accuracy.
**Option C:** This option's correctness depends on its content.
**Option D:** The same reasoning applies to this option.
**Clinical Pearl / High-Yield Fact**
A key point to remember about catatonia is its responsiveness to **lorazepam** and **electroconvulsive therapy (ECT)**, which can be diagnostic and therapeutic.
**Correct Answer:** Not provided in the query.