A person feels no sensation when he puts his hand over flame, the part of the brain which has damaged is

Options

A. Cerebellum
B. Cerebrum
C. Hypothalamus
D. medulla oblongata

Answer

To solve the question about which part of the brain is damaged when a person feels no sensation upon putting their hand over a flame, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Sensation and Pain**:
- The sensation of pain is a critical response that alerts an individual to potential harm or injury. It is essential for protective reflexes.

2. **Identifying the Brain Regions**:
- The brain is divided into several parts, each responsible for different functions:
- **Cerebellum**: Primarily involved in coordination and balance.
- **Cerebrum**: Responsible for higher brain functions including sensory perception, voluntary motor actions, and cognitive abilities.
- **Hypothalamus**: Regulates homeostasis, including temperature control and hunger.
- **Medulla Oblongata**: Controls involuntary functions such as breathing and heart rate.

3. **Locating the Sensory Area**:
- The specific area of the brain that processes pain sensations is located in the **parietal lobe** of the cerebrum, known as the somatosensory cortex.

4. **Analyzing the Options**:
- Given the options:
- A) Cerebellum
- B) Cerebrum
- C) Hypothalamus
- D) Medulla Oblongata
- Since the sensation of pain is processed in the cerebrum, particularly in the somatosensory region, any damage to this area would result in the inability to feel pain.

5. **Conclusion**:
- Therefore, if a person feels no sensation when they put their hand over a flame, the part of the brain that is likely damaged is the **cerebrum**.

### Final Answer:
- The part of the brain which has been damaged is the **Cerebrum** (Option B).