Reduced fidelity of neural representation underlies episodic memory decline in normal aging
… that normal aging was associated with reduced fidelity of visual cortical representation, even
after controlling for the reduced … the reduced selectivity could be due to the overall reduced …
after controlling for the reduced … the reduced selectivity could be due to the overall reduced …
The neural representations underlying human episodic memory
G Xue - Trends in cognitive sciences, 2018 - cell.com
… pattern similarity during encoding, which reflects the fidelity of neural representations … less
noisy representations of encoded materials, thus items with greater representational fidelity …
noisy representations of encoded materials, thus items with greater representational fidelity …
Healthy ageing reduces the precision of episodic memory retrieval.
SM Korkki, FR Richter, P Jeyarathnarajah… - … and Aging, 2020 - psycnet.apa.org
… proposed age-related changes in neuromodulation to underlie … declines in the precision
of episodic memory representations. Age-related decreases in the fidelity of episodic memory …
of episodic memory representations. Age-related decreases in the fidelity of episodic memory …
Memory fidelity in healthy ageing and risk for cognitive decline
H Gellersen - 2022 - repository.cam.ac.uk
… Investigations of the factors underlying memory decline … memory and episodic memory
during the course of ageing. … Veridical neural representations should reflect the amount of detail …
during the course of ageing. … Veridical neural representations should reflect the amount of detail …
Transformative neural representations support long-term episodic memory
… retrieval that underlie successful episodic memory. We … -specific manner, resulting in reduced
across-temporal correlations r(t … mediated by the fidelity of neural representation, extending …
across-temporal correlations r(t … mediated by the fidelity of neural representation, extending …
Demands on perceptual and mnemonic fidelity are a key determinant of age-related cognitive decline throughout the lifespan.
HM Gellersen, J McMaster, A Abdurahman… - Journal of …, 2024 - psycnet.apa.org
… for which the underlying representations vary from fine- to … the earliest signs of age-related
episodic memory deficits. This is … aging results in less differentiated neuronal representations …
episodic memory deficits. This is … aging results in less differentiated neuronal representations …
[PDF][PDF] The Relationship Between Age, Cognitive Performance, and the Neural Correlates of Episodic Memory Encoding and Retrieval
S Srokova - 2022 - utd-ir.tdl.org
… Episodic memory declines substantially with increasing age. (A) Crosssectional data
demonstrate a linear decline in episodic memory … of lower fidelity of neural representations. ... 15 …
demonstrate a linear decline in episodic memory … of lower fidelity of neural representations. ... 15 …
Distinct neural mechanisms underlie the success, precision, and vividness of episodic memory
… (circular normal) distribution alone (model 1) fit the data less well … These findings indicate
that AnG may represent the … of the representation such as its level of detail or the fidelity of the …
that AnG may represent the … of the representation such as its level of detail or the fidelity of the …
Effects of healthy ageing on the precision of episodic memory
SM Korkki - 2020 - repository.cam.ac.uk
… fidelity of perception and working memory, suggesting a predominantly long-term … ageing
have proposed reduced specificity, or differentiation, of neural representations to underlie age-…
have proposed reduced specificity, or differentiation, of neural representations to underlie age-…
Higher-dimensional neural representations predict better episodic memory
… top-down processes, low-dimensional neural variability, and RD … fidelity of neural
representations and memory performance. … RD and face memory, we further examined the …
representations and memory performance. … RD and face memory, we further examined the …