What is a blackout?

• A. A period of time that an intoxicated person cannot recall
• B. A medical condition causing memory loss unrelated to drinking
• C. A brief nap taken after drinking
• D. A technique people use to memorize details

Answer: (A)

Blackout describes a period during drinking when memories don’t get recorded, so you can’t recall what happened while intoxicated. Alcohol hinders the brain’s ability to form new long-term memories, mainly by affecting the hippocampus, the area responsible for turning experiences into lasting notes in memory. Because memory formation is disrupted, events that occur during the blackout aren’t stored reliably, even though you may feel awake or be able to carry on conversations in the moment. Some people might later recall fragments with cues, but many gaps stay missing. This is specifically tied to drinking, not a separate medical memory condition, not simply a nap, and not a technique for memorization. To reduce the risk, limit intake and avoid binge drinking.