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Forms of prediction in the nervous system.
Christoph Teufel1, Paul C Fletcher2,3,4
1Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, Cardiff University, Cardiff, UK. teufelc@cardiff.ac.uk.
Nature Reviews. Neuroscience
|March 12, 2020
Summary
Predictions shape our perception and understanding of the world. This research highlights the importance of both top-down and bottom-up predictive processing for understanding neuropsychiatric disorders.
Area of Science:
- Systems Neuroscience
- Computational Psychiatry
Background:
- The predictive processing framework is influential in systems neuroscience.
- Neuropsychiatric disorders may arise from disrupted predictive mechanisms, leading to flawed world models.
Purpose of the Study:
- To challenge the exclusive focus on top-down predictions.
- To emphasize the role of bottom-up predictive information.
- To refine the predictive processing framework for understanding neuropsychiatric disorders.
Main Methods:
- Review of existing evidence on predictive processing.
- Conceptual analysis of top-down versus bottom-up influences.
Main Results:
- Evidence supports the significance of bottom-up predictive information.
- Distinguishing between top-down and bottom-up processes is crucial.
Conclusions:
- A comprehensive predictive processing framework must integrate both top-down and bottom-up influences.
- Understanding these influences is key to explaining neuropsychiatric symptoms.
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