Prediction error processing and sharpening of expected information across the face-processing hierarchy

Annika Garlichs; Helen Blank

doi:10.1038/s41467-024-47749-9

Prediction error processing and sharpening of expected information across the face-processing hierarchy

Standard

Prediction error processing and sharpening of expected information across the face-processing hierarchy. / Garlichs, Annika ; Blank, Helen.

In: NAT COMMUN, Vol. 15, No. 1, 22.04.2024, p. 3407.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Garlichs, A & Blank, H 2024, 'Prediction error processing and sharpening of expected information across the face-processing hierarchy', NAT COMMUN, vol. 15, no. 1, pp. 3407. https://doi.org/10.1038/s41467-024-47749-9

APA

Garlichs, A., & Blank, H. (2024). Prediction error processing and sharpening of expected information across the face-processing hierarchy. NAT COMMUN, 15(1), 3407. https://doi.org/10.1038/s41467-024-47749-9

Vancouver

Garlichs A , Blank H. Prediction error processing and sharpening of expected information across the face-processing hierarchy. NAT COMMUN. 2024 Apr 22;15(1):3407. https://doi.org/10.1038/s41467-024-47749-9

Bibtex

@article{8da5cf0ed6bb49848a9783dbb816d86b,

title = "Prediction error processing and sharpening of expected information across the face-processing hierarchy",

abstract = "The perception and neural processing of sensory information are strongly influenced by prior expectations. The integration of prior and sensory information can manifest through distinct underlying mechanisms: focusing on unexpected input, denoted as prediction error (PE) processing, or amplifying anticipated information via sharpened representation. In this study, we employed computational modeling using deep neural networks combined with representational similarity analyses of fMRI data to investigate these two processes during face perception. Participants were cued to see face images, some generated by morphing two faces, leading to ambiguity in face identity. We show that expected faces were identified faster and perception of ambiguous faces was shifted towards priors. Multivariate analyses uncovered evidence for PE processing across and beyond the face-processing hierarchy from the occipital face area (OFA), via the fusiform face area, to the anterior temporal lobe, and suggest sharpened representations in the OFA. Our findings support the proposition that the brain represents faces grounded in prior expectations.",

author = "Annika Garlichs and Helen Blank",

note = "{\textcopyright} 2024. The Author(s).",

year = "2024",

month = apr,

day = "22",

doi = "10.1038/s41467-024-47749-9",

language = "English",

volume = "15",

pages = "3407",

journal = "NAT COMMUN",

issn = "2041-1723",

publisher = "NATURE PUBLISHING GROUP",

number = "1",

}

RIS

TY - JOUR

T1 - Prediction error processing and sharpening of expected information across the face-processing hierarchy

AU - Garlichs, Annika

AU - Blank, Helen

PY - 2024/4/22

Y1 - 2024/4/22

N2 - The perception and neural processing of sensory information are strongly influenced by prior expectations. The integration of prior and sensory information can manifest through distinct underlying mechanisms: focusing on unexpected input, denoted as prediction error (PE) processing, or amplifying anticipated information via sharpened representation. In this study, we employed computational modeling using deep neural networks combined with representational similarity analyses of fMRI data to investigate these two processes during face perception. Participants were cued to see face images, some generated by morphing two faces, leading to ambiguity in face identity. We show that expected faces were identified faster and perception of ambiguous faces was shifted towards priors. Multivariate analyses uncovered evidence for PE processing across and beyond the face-processing hierarchy from the occipital face area (OFA), via the fusiform face area, to the anterior temporal lobe, and suggest sharpened representations in the OFA. Our findings support the proposition that the brain represents faces grounded in prior expectations.

AB - The perception and neural processing of sensory information are strongly influenced by prior expectations. The integration of prior and sensory information can manifest through distinct underlying mechanisms: focusing on unexpected input, denoted as prediction error (PE) processing, or amplifying anticipated information via sharpened representation. In this study, we employed computational modeling using deep neural networks combined with representational similarity analyses of fMRI data to investigate these two processes during face perception. Participants were cued to see face images, some generated by morphing two faces, leading to ambiguity in face identity. We show that expected faces were identified faster and perception of ambiguous faces was shifted towards priors. Multivariate analyses uncovered evidence for PE processing across and beyond the face-processing hierarchy from the occipital face area (OFA), via the fusiform face area, to the anterior temporal lobe, and suggest sharpened representations in the OFA. Our findings support the proposition that the brain represents faces grounded in prior expectations.

U2 - 10.1038/s41467-024-47749-9

DO - 10.1038/s41467-024-47749-9

M3 - SCORING: Journal article

C2 - 38649694

VL - 15

SP - 3407

JO - NAT COMMUN

JF - NAT COMMUN

SN - 2041-1723

IS - 1

ER -