This page is based on the following article:
Topolinski, S., & Reber, R. (2010). Gaining Insight Into the "Aha" Experience. Current Directions in Psychological Science, 19(6), 402-405.
You can access the article at http://www.jstor.org/stable/41038609
The 'Aha' effect occurs when you suddenly realise the solution to a problem you have been dealing with. This is often referred to as gaining insight.
This insight has two characteristics:
Two more experiences follow this insight:
The "Aha" experience also has a positive effect on processing fluency. This means that information is processed more easily and quickly. This fluency triggers the feeling of pleasure at the solution, and also reinforces the judged truth (irrespective of the actual truth) and subjective confidence of the researcher.
In short, the 'aha' experience gives insight that makes the researcher feel more confident, process information faster and gives an overall feeling of pleasure.