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Varieties of cognitive penetration in visual perception
1Center for Mind, Brain and Cognitive Evolution, Institut für Philosophie II, Ruhr-Universität Bochum, 44780 Bochum, Germany; Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience & Swiss Center for Affective Sciences, University of Geneva, 1211 Geneva, Switzerland.
Consciousness and Cognition
|May 20, 2014
Summary
Cognitive penetration shows how beliefs and experiences shape visual perception, challenging the idea of a clear boundary between perception and cognition. This research explores top-down influences on early visual processes.
Area of Science:
- Cognitive Science
- Philosophy of Mind
- Neuroscience
Background:
- The nature of perceptual experience is debated: is it a direct reflection of reality or shaped by internal factors?
- Cognitive penetration, the influence of higher-level cognition on perception, is a key area of discussion.
- Existing research often overlooks influences on early visual processing.
Purpose of the Study:
- To investigate the impact of cognitive penetration on early visual perception.
- To provide empirical evidence for top-down influences on visual processes.
- To propose a refined model of cognitive penetration.
Main Methods:
- Review of recent empirical studies on visual perception.
- Analysis of contextual expectations and memorized cognitive content influences.
- Development of a perceptual model to categorize types of cognitive penetration.
Main Results:
- Empirical evidence supports cognitive penetration affecting early visual processes.
- Contextual and top-down influences are demonstrated in visual perception.
- A new model categorizes cognitive penetration based on processing level and influence source.
Conclusions:
- The debate on whether cognitive penetration occurs is reframed as ill-posed.
- A distinct boundary between perception and cognition cannot be definitively maintained.
- Understanding cognitive penetration offers new insights into the mechanisms of perception.
Keywords:
Cognitive penetrationContextual influencesEarly visual processesPerception–cognition boundaryPhilosophy of mindPredictive codingTop-down modulationV1Visual perceptionMore Related Videos
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