What is it about?
There are many examples and instances showing that how we perceive depends on prior learning and expectations. It is still poorly understood whether the propensity to be influenced by prior information in how the perceptual world looks like to us is caused by a unitary psychological trait or are there "specialized" domains of the effects of priors on perception. Our experiments show evidence in favor of the latter state of affairs: prior information effects are not universally expressed across different perceptual contexts.
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Why is it important?
By these kinds of experimental studies we get more specific and scrutinized knowledge about how and how much individually differently the context- and expectation-dependent perception emerges and what are the specific factors in this process.
Perspectives
These behavioral experimental paradigms have to be combined with brain imaging and genotyping, which will reveal the neurobiological mechanisms and levels of processing responsible for the specific effect of priors and interaction of priors and prediction error signals.
Professor Talis Bachmann
Tartu Ulikool
Read the Original
This page is a summary of: Individual differences in the effects of priors on perception: A multi-paradigm approach, Cognition, June 2019, Elsevier,
DOI: 10.1016/j.cognition.2019.03.008.
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