Aha! phenomenon

Aha! phenomenon2017-01-26T10:07:07+00:00

Aha! phenomenon 

horizontal gluteal crease image from New Medical Terms

Aha! phenomenon Now we know what really happened


A popular term for the moment in which a person has a flash of insight related to a problem–e.g., integration of a complex set of data, which may result in a solution to the problem

Elements of the phenomenon

• Sudden

• Solution is mentally processed smoothly/fluently

• Evokes a positive affect 

• Person experiencing effect believes the solution is true

Examples Archimedes’ realisation that metals can be differentiated based on volume; Einstein’s recognition of E = mc2

Synonyms Aha! effect, epiphany, eureka effect, light bulb moment

References Eureka effect
NY Times 16/8/94; C1