Memory is reconstructive, not a recording. Gaps get filled in, suggestions and repetition get absorbed, and the brain can misjudge where a mental image came from.
Starter thread · AI-reviewed against its sources
Stuck songs, or earworms, arise when a familiar, repetitive tune is cued by a memory, a mood or recent listening and then replays on a mental loop. Researchers still lack a full theory.
Starter thread · AI-reviewed against its sources
No single cause of déjà vu is settled. Leading explanations describe a memory-familiarity misfire, checked by the frontal cortex, or a resemblance to a forgotten scene.
Starter thread · AI-reviewed against its sources
No single explanation is settled. Memory consolidation is the leading theory, but emotion processing, threat rehearsal and 'no purpose at all' remain live alternatives.
Starter thread · AI-reviewed against its sources