Which of the following is NOT included in the definition of intoxication?

In the context of understanding intoxication, each of the options represents a different aspect of how substances, particularly alcohol, can affect a person's physical and mental faculties. When intoxicated, individuals typically experience various impairments, while increased clarity of thought would contradict the very concept of intoxication.

Intoxication generally leads to a range of negative effects: reduced reaction time interferes with an individual's ability to respond promptly to situations; impaired judgment affects decision-making, potentially leading to risky behaviors; and loss of motor coordination can impede physical abilities, making activities like driving dangerous. All these factors contribute to the overall impairment that intoxication causes.

In contrast, increased clarity of thought is not a symptom of intoxication. If anything, intoxication tends to cloud judgment and reduce cognitive function rather than enhance it. This is why the correct choice highlights an effect that is not representative of intoxication. Understanding these distinctions is essential for anyone serving alcohol, as recognizing signs of intoxication helps in ensuring responsible serving practices and maintaining safety.