Which of the following will not cause hallucinations at high doses ?

Options

A. Coke
B. Barbiturates
C. Datura extract
D. Extract of Atropa belladona

Answer

To determine which of the following substances will not cause hallucinations at high doses, we need to analyze each option provided in the question.

### Step-by-Step Solution:

1. **Understanding Hallucinations**: Hallucinations are sensory experiences that appear real but are created by the mind. They can be caused by various substances, including drugs and alcohol.

2. **Analyzing Each Substance**:
- **Cocaine (Coke)**: Known to cause hallucinations when consumed in high doses. Therefore, this option is incorrect.
- **Barbiturates**: These are central nervous system depressants used for medicinal purposes, primarily to induce sleep or reduce anxiety. At high doses, they do not typically cause hallucinations. This option seems to be correct.
- **Dhatura**: A plant known for its psychoactive properties, which can cause hallucinations. Thus, this option is incorrect.
- **Atropa Belladonna**: This plant contains tropane alkaloids that can lead to hallucinations. Hence, this option is also incorrect.

3. **Conclusion**: Among the options analyzed, barbiturates are the only substance that does not cause hallucinations at high doses. Therefore, the correct answer to the question is **Option 2: Barbiturates**.

### Final Answer:
**Barbiturates will not cause hallucinations at high doses.**

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