Memory is a fascinating aspect of human cognition, and the butterfly effect in memory refers to the phenomenon where seemingly small triggers can lead to significant recollections. Just like how a small flap of a butterfly's wings can ultimately cause a hurricane, a seemingly insignificant event or stimulus can have a profound impact on our memory recall.

One example of the butterfly effect in memory is the concept of priming. Priming occurs when exposure to one stimulus influences the response to another stimulus, often without conscious awareness. For instance, studies have shown that participants primed with words related to the elderly (such as "wrinkle" or "retirement") tend to walk more slowly after the priming task compared to those who were not primed. This subtle priming effect demonstrates how a small trigger can influence behavior and memory.

Another example of the butterfly effect in memory can be seen in emotional memory recall. Emotional events tend to be more memorable than neutral ones, and even a small trigger associated with a past emotional event can bring back vivid recollections. For instance, the smell of freshly baked cookies might evoke powerful memories of warm family gatherings during holidays, complete with the sights, sounds, and emotions of those moments.

References:

1. Bargh, J. A., & Chartrand, T. L. (2000). The mind in the middle: A practical guide to priming and automaticity research. In H. T. Reis & C. M. Judd (Eds.), Handbook of research methods in social and personality psychology (pp. 253-285). Cambridge University Press.
2. McGaugh, J. L. (2004). The amygdala modulates the consolidation of memories of emotionally arousing experiences. Annual Review of Neuroscience, 27, 1-28.