What cognitive function is most likely to be impaired due to alcohol?

The cognitive function most likely to be impaired due to alcohol is decision-making. Alcohol has a significant impact on the brain's executive functions, which are responsible for planning, reasoning, and judgment. When consuming alcohol, individuals often experience a reduction in their ability to evaluate situations, consider the consequences of their actions, and make informed choices. This can lead to impulsive behavior, poor judgment, and an overall inability to assess risk appropriately.

While mathematical calculation, verbal communication, and reading comprehension can also be affected by alcohol consumption, the primary cognitive function impacted is decision-making due to its reliance on both higher-level thinking and inhibition control, which are diminished under the influence of alcohol. This impairment is critical in many contexts, including driving, social interactions, and personal safety.