Homogenous Hippocampus DOI Open Access
Neil McNaughton, David M. Bannerman

Published: Jan. 8, 2024

We present here a view of the firing patterns hippocampal cells that is contrary, both functionally and anatomically, to conventional wisdom. argue hippocampus responds encoding goals elsewhere in order detect resolve conflict or interference between general, rather than by spatial (or other special types of) memory itself. also its operations are essentially homogeneous along length: apparently different functions parts resulting from inputs on which those perform same fundamental computational operations. Its key role iterative adjustment, via Papez-like circuits, cell assemblies elsewhere.

Language: Английский

Accuracy and reconstruction in autobiographical memory: (Re)consolidating neuroscience and sociocultural developmental approaches DOI
Robyn Fıvush, Azriel Grysman

Wiley Interdisciplinary Reviews Cognitive Science, Journal Year: 2022, Volume and Issue: 14(3)

Published: Sept. 20, 2022

Abstract Autobiographical memories are never isolated episodes; they embedded in a network that is continually updated and prediction driven. We present autobiographical memory as meaning‐driven process includes both veridical traces reconstructive schemas. Our developmental approach delineates how develops across childhood throughout adulthood, our sociocultural examines the ways which shaped by everyday social interactions within cultural worldviews. These approaches enhanced focus on functions, namely self‐coherence, embeddedness, directing future behaviors. Neuroscience models of outlined multiple trace transformation theories perceptual principles predictive processing establish mechanisms frameworks into processes incorporated. Rather than conceptualizing episodic accurate versus error‐prone, we frame dynamic continuously to create coherent meaning for individuals living complex worlds. accuracy error, an intricate weaving specific details, inferences confusions among similar experiences; it incorporates post‐event information through reminiscing conversations, service creating more meaningful define self, others, world. This article categorized under: Psychology > Memory

Language: Английский

Citations

15

Intersubject similarity in neural representations underlies shared episodic memory content DOI Creative Commons
Jintao Sheng, Sisi Wang, Liang Zhang

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2023, Volume and Issue: 120(35)

Published: Aug. 21, 2023

Individuals generally form their unique memories from shared experiences, yet the neural representational mechanisms underlying this subjectiveness of memory are poorly understood. The current study addressed important question cross-subject perspective, leveraging a large functional magnetic resonance imaging dataset ( n = 415) face–name associative task. We found that individuals’ abilities were predicted by synchronization to group-averaged, canonical trial-by-trial activation level and, lesser degree, similarity group-averaged patterns during encoding. More importantly, content between pairs participants could be local pattern, particularly in angular gyrus and ventromedial prefrontal cortex, even after controlling for differences abilities. These results uncover individualized underscore constructive nature episodic memory.

Language: Английский

Citations

9

Has the concept of systems consolidation outlived its usefulness? Identification and evaluation of premises underlying systems consolidation DOI Open Access
Morris Moscovitch, Asaf Gilboa

Faculty Reviews, Journal Year: 2022, Volume and Issue: 11

Published: Nov. 22, 2022

Systems consolidation has mostly been treated as a neural construct defined by the time-dependent change in memory representation from hippocampus (HPC) to other structures, primarily neocortex. Here, we identify and evaluate explicit implicit premises that underlie traditional or standard models theories of systems based on evidence research humans animals. We use principle changes over time experience are accompanied corresponding psychological representations, vice versa, argue each underlying is found wanting. One solution modify abandon models. This reflected moderated emphasize early role HPC training neocortical memories until they stabilize. The fault, however, may lie very concept its defining feature. propose be replaced one reorganization, which does not carry theoretical baggage flexible enough capture dynamic nature inception long-term retention retrieval at level. term "memory system reorganization" implies traces fixed, even after presumably consolidated. Memories can continue result interactions among across lifetime. As will become clear, hippocampal only type such interaction, always most important one, inception. end suggesting some principles reorganization help guide processes levels.

Language: Английский

Citations

14

Awake Hippocampal–Cortical Co-reactivation Is Associated with Forgetting DOI Creative Commons
Büşra Tanrıverdi, Emily T. Cowan, Athanasia Metoki

et al.

Journal of Cognitive Neuroscience, Journal Year: 2023, Volume and Issue: 35(9), P. 1446 - 1462

Published: Jan. 1, 2023

Abstract Systems consolidation theories posit that occurs primarily through a coordinated communication between hippocampus and neocortex [Moscovitch, M., & Gilboa, A. consolidation, transformation reorganization: Multiple trace theory, theory their competitors. PsyArXiv, 2021; Kumaran, D., Hassabis, McClelland, J. L. What learning systems do intelligent agents need? Complementary updated. Trends in Cognitive Sciences, 20, 512–534, 2016; L., O'Reilly, R. C. Why there are complementary the neocortex: Insights from successes failures of connectionist models memory. Psychological Review, 102, 419–457, 1995]. Recent sleep studies rodents have shown visual cortex replay same information at temporal proximity (“co-replay”; Lansink, S., Goltstein, P. Lankelma, V., McNaughton, B. Pennartz, M. Hippocampus leads ventral striatum place-reward information. PLoS Biology, 7, e1000173, 2009; Peyrache, A., Khamassi, Benchenane, K., Wiener, S. I., Battaglia, F. Replay rule-learning related neural patterns prefrontal during sleep. Nature Neuroscience, 12, 919–926, Wierzynski, Lubenov, E. Gu, Siapas, G. State-dependent spike-timing relationships hippocampal circuits Neuron, 61, 587–596, Ji, Wilson, Coordinated memory 10, 100–107, 2007). We developed novel repetition time (TR)-based co-reactivation analysis method to study hippocampal–cortical co-replays humans using fMRI. Thirty-six young adults completed an image (face or scene) location paired associate encoding task scanner, which were preceded followed by resting state scans. identified post-encoding rest TRs (± 1) showed reactivation each image–location trials both (HPC) category-selective (fusiform face area [FFA]). This allowed us characterize temporally proximal reactivations (“co-reactivations”) HPC FFA. Moreover, we found increased HPC–FFA co-reactivations associated with incorrectly recognized after 1-week delay (p = .004). Finally, these also initially correctly immediately but later forgotten 1-day .043) period .031). discuss results perspective [Sekeres, J., Winocur, G., Moscovitch, The neocortical structures transformation. Neuroscience Letters, 680, 39–53, 2018; Memory consolidation. Journal International Neuropsychological Society, 17, 766–780, 2011] speculate may be integrating events, expense disrupting event-specific details, hence leading forgetting.

Language: Английский

Citations

7

Anxiety and personality DOI
Neil McNaughton,

Jeffrey A. Gray

Oxford University Press eBooks, Journal Year: 2024, Volume and Issue: unknown, P. 371 - 430

Published: May 7, 2024

Abstract ‘Anxiety and personality’ links the anxiolytic-derived state neuropsychology of previous chapters to personality traits. Traits are seen as sensitivities structures, goal control systems, more global modulators systems. It lays ground work for seeing psychiatric disorders resulting from one or extreme sensitivities. While main focus is anxiety, it also discusses implications Reinforcement Sensitivity Theory (RST) with additional comment on Big 5. reviews issues arising word meanings, evolution, need biomarkers, hierarchical organization, continuity versus discontinuity provides recommendation application work, throughout. distinguishes neuroticism trait a new dopaminergic neurology reinforcement sensitivity, strongly reinforcers, first anxiety disorder biomarker, identifies problems existing RST scales, future neural solutions.

Language: Английский

Citations

2

Distinct multivariate structural brain profiles are related to variations in short- and long-delay memory consolidation across children and young adults DOI Creative Commons
Iryna Schommartz,

Philip F. Lembcke,

Francesco Pupillo

et al.

Developmental Cognitive Neuroscience, Journal Year: 2022, Volume and Issue: 59, P. 101192 - 101192

Published: Dec. 23, 2022

From early to middle childhood, brain regions that underlie memory consolidation undergo profound maturational changes. However, there is little empirical investigation directly relates age-related differences in structural measures processes. The present study examined of intentionally studied object-location associations after one night sleep (short delay) and two weeks (long normally developing 5-to-7-year-old children (n = 50) young adults 39). Behavioural retention rate were related measures. Our results showed children, comparison adults, retained correctly learnt less robustly over short long delay. Moreover, using partial least squares correlation method, a unique multivariate profile comprised specific neocortical (prefrontal, parietal, occipital), cerebellar, hippocampal head subfield structures the body was found be associated with variation short-delay retention. A different reduced set structures, mainly consisting head, selective (CA1-2 subiculum) long-delay Taken together, suggest pattern sets are variations short- across adults.

Language: Английский

Citations

10

How emotion influences the details recalled in autobiographical memory DOI
Victoria Wardell, Christopher R. Madan,

Taylyn J. Jameson

et al.

Applied Cognitive Psychology, Journal Year: 2021, Volume and Issue: 35(6), P. 1454 - 1465

Published: Sept. 19, 2021

Abstract A wealth of research suggests that emotion enhances memory. Yet, this enhancement is not uniform. While some theories posit memory for sensory/perceptual information, such an has been observed in mnemonic detail production. However, a focus on remote events (often more semanticized) may be masking effect. Focusing perceptual details, we examined the effects detail, sampling both and recent autobiographical events. We administered Autobiographical Interview, protocol parses details into categories (perceptual, event, emotion/thoughts, place, time). Participants ( N = 56) recalled memories were positive, negative, neutral from (≲3 months old) (~1–5 years time periods. Recollection did differ emotional versus at either retention interval. affected other types, contingent period. Our findings enrich our understanding nuance

Language: Английский

Citations

14

Structured memory representations develop at multiple time scales in hippocampal-cortical networks DOI Creative Commons
Arielle Tambini, Jacob A. Miller,

Luke Ehlert

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: April 7, 2023

Influential views of systems memory consolidation posit that the hippocampus rapidly forms representations specific events, while neocortical networks extract regularities across forming basis schemas and semantic knowledge. Neocortical extraction schematic is thought to occur on a protracted timescale months, especially for information unrelated prior However, this theorized evolution extended timescales, differences in temporal dynamics brain regions, lack reliable empirical support. To examine representations, we repeatedly exposed human participants structured via sequences fractals, undergoing longitudinal fMRI three months. Sequence-specific activation patterns emerged during first 1-2 weeks learning, followed one week later by high-level visual cortex, subsequently medial prefrontal parietal cortices. Schematic, sequence-general cortex after 3 lobe anterior cortex. Moreover, hippocampal most showed sustained rather than time-limited dynamics, suggesting tend persist learning. These results show emerge early, both at gradient timescales hippocampal-cortical as learning unfolds. Thus, do not exist only regions given point time, but are simultaneously present multiple levels abstraction networks.

Language: Английский

Citations

4

Drawing improves memory in patients with hippocampal damage DOI
Adva Levi,

A. Pugsley,

Myra A. Fernandes

et al.

Memory & Cognition, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 5, 2024

Language: Английский

Citations

1

It's not a lie … If you believe it: Narrative analysis of autobiographical memories reveals over-confidence disposition in patients who confabulate DOI

Faith Balshin-Rosenberg,

Vanessa E. Ghosh,

Asaf Gilboa

et al.

Cortex, Journal Year: 2024, Volume and Issue: 175, P. 66 - 80

Published: March 31, 2024

Language: Английский

Citations

1