A blackout: is when someone is unable to remember what they did while drinking.
Alcohol-related blackouts are gaps in a person's memory for events that occurred while they were intoxicated. These gaps happen when a person drinks enough alcohol to temporarily block the transfer of memories from short-term to long-term storage—known as memory consolidation—in a brain area called the hippocampus.
With this information, we can conclude that blackout is when someone is unable to remember what they did while drinking
Learn more about blackout from drinking in brainly.com/question/10347212
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