**Question:** Emotional effect to a physical stimulus is given by

A. Emotional processing in the brain
B. Direct physiological response to the stimulus
C. Sensory perception and integration
D. Memory recall of past experiences

**Core Concept:** Emotions are a complex cognitive process involving various brain regions, including the limbic system, which plays a crucial role in processing emotions and modulating physiological responses to environmental stimuli.

**Why the Correct Answer is Right:**
The correct answer, A. Emotional processing in the brain, refers to the cognitive aspect of emotional response to a physical stimulus. When a physical stimulus is encountered, it is first detected by sensory receptors and transmitted to the brain via the peripheral nervous system and central nervous system, involving sensory perception and integration (option C). The brain then processes this input and generates an emotional response, which influences physiological responses to the stimulus.

**Why Each Wrong Option is Incorrect:**

Option B (Direct physiological response to the stimulus) is incorrect because it does not encompass the cognitive processing involved in emotional response. Emotions are not solely determined by direct physiological reactions, but rather a combination of cognitive processing and physiological changes.

Option D (Memory recall of past experiences) is incorrect because it focuses on memory and past experiences rather than the current emotional processing of a physical stimulus. Emotions are not solely determined by past experiences but also involve immediate cognitive processing in the brain.

**Clinical Pearl / High-Yield Fact:**

Emotions are complex processes involving both cognitive processing in the brain and physiological responses. Understanding this interplay between cognitive and physiological factors is crucial for understanding the body's response to various stimuli and clinical scenarios. This understanding will help medical professionals effectively assess, diagnose, and manage patient conditions involving emotional components.