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Sensation and inferences in perception, metacognition and action

Project description

Processing and usage of inferred and sensory information

Metacognition is the awareness and understanding of one's thought processes. Recent studies showed that inferred information is preferred over sensory information in metacognition, contradicting the current thinking about human information processing as weighted by reliability. The EU-funded SENCES project is investigating the processing and usage of inferred information in comparison to veridical sensory information. The researchers will use psychophysical and behavioural experiments in combination with electroencephalograms to understand the role of inferences in perception, metacognition and action. They will also assess the role of inferences in cases of pathological conditions where sensory information is missing due to long-term visual disorders.

Objective

The perceptual experience of humans is seamless, although there are major spatial gaps in the available sensory information due to internal (e.g. absence of photoreceptors in the blind-spot) or external reasons (e.g. occlusion by other objects). While the contents of these sensory gaps seem to be completed by inferences, it is unknown how those inferences are dealt with in further processing compared to veridical sensory information. Recently, we and others showed that inferred information is preferred over sensory information in metacognition. This contradicts one of the axioms of current thinking about human information processing, according to which information is weighted by its reliability.
SENCES aims to investigate the processing and usage of inferred information in comparison to veridical sensory information. First, we will use psychophysical and behavioral experiments to understand the role of inferences in perception, metacognition and action. Second, we will use EEG to distinguish between different models concerning the neural processing of inferences. Third, we will assess the role of inferences in pathological retinal scotomata and their plasticity along three time scales: across the lifespan by comparing healthy observers and patients experienced with missing sensory information due to long-term visual disorders; in the mid-term by studying the progression of pathological retinal scotomata in patients; in the short-term by training healthy observers with artificially missing sensory information.
SENCES will provide crucial insights into how a seamless perceptual experience is constructed and how it is shielded from gaps in sensory information. Studying different phenomena of perceptual completion will allow for the discovery of general principles. Finally, it will uncover positive and negative consequences of perceptual completion in pathological scotomata and might point towards new approaches for early diagnosis and behavioral treatment.

Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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ERC-COG - Consolidator Grant

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Call for proposal

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(opens in new window) ERC-2020-COG

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Host institution

PHILIPPS UNIVERSITAET MARBURG
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 996 738,00
Address
BIEGENSTRASSE 10
35037 Marburg
Germany

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Region
Hessen Gießen Marburg-Biedenkopf
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 996 738,00

Beneficiaries (1)

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