**Core Concept:** Anxiolytics are a class of medications that are used to treat anxiety disorders by reducing anxiety symptoms without causing significant sedation. Sedation is a common side effect of many anxiolytics, but the goal is to minimize this effect to avoid impairing cognitive functions and driving capacity in patients.

**Why the Correct Answer is Right:** The correct answer, B, is Buspirone, an anxiolytic drug that primarily acts on serotonin and dopamine receptors in the central nervous system. Unlike benzodiazepines, buspirone does not directly bind to the GABA receptors, which is why it causes less sedation compared to other anxiolytics.

**Why Each Wrong Option is Incorrect:**

A. **Option A (Alprazolam):** Alprazolam is a benzodiazepine, which directly binds to GABA receptors in the central nervous system. This strong interaction with GABA receptors causes significant sedation and impaired cognitive functions, making it an inadequate choice for reducing anxiety with minimal sedation.

C. **Option C (Lorazepam):** Similar to alprazolam, lorazepam is also a benzodiazepine that interacts directly with GABA receptors, leading to sedation and impaired cognition. This makes it an unsuitable choice for anxiolytics with minimal sedation.

D. **Option D (Diazepam):** Diazepam is another benzodiazepine that directly binds to GABA receptors, causing sedation and cognitive impairment. This makes it an inadequate choice for reducing anxiety with minimal sedation.

**Clinical Pearl:** Buspirone, being a non-benzodiazepine anxiolytic, is a preferred choice for treating anxiety disorders due to its minimal sedative effects and lack of impairing cognitive functions. However, it may not be as effective as benzodiazepines in treating severe anxiety conditions.