Example stimuli from Przysinda et al (2017)

Reference:

Przysinda, E., Zeng, T., Maves, K., Arkin, C., & Loui, P. (2017). Jazz musicians reveal role of expectancy in human creativity. Brain and Cognition, 119, 45-53.

Here are example stimuli:

Highly expected:

Slightly unexpected:

Very unexpected: