Dentate gyrus somatostatin cells are required for contextual discrimination during episodic memory encoding

C Morales, JF Morici, N Espinosa, A Sacson… - Cerebral …, 2021 - academic.oup.com
Memory systems ought to store and discriminate representations of similar experiences in
order to efficiently guide future decisions. This problem is solved by pattern separation …

A role for the longitudinal axis of the hippocampus in multiscale representations of large and complex spatial environments and mnemonic hierarchies

B Harland, M Contreras… - The hippocampus-plasticity …, 2017 - books.google.com
The hippocampus is involved in spatial navigation and memory in rodents and humans.
Anatomically, the hippocampus extends along a longitudinal axis that shows a combination …

AHA! an'Artificial Hippocampal Algorithm'for Episodic Machine Learning

G Kowadlo, A Ahmed, D Rawlinson - arXiv preprint arXiv:1909.10340, 2019 - arxiv.org
The majority of ML research concerns slow, statistical learning of iid samples from large,
labelled datasets. Animals do not learn this way. An enviable characteristic of animal …

Simulations of Learning, Memory, and Forgetting Processes with Model of CA1 Region of the Hippocampus

D Świetlik - Complexity, 2018 - Wiley Online Library
The aim of this paper is to present a computational model of the CA1 region of the
hippocampus, whose properties include (a) attenuation of receptors for external stimuli,(b) …

Dissociation between complete hippocampal context memory formation and context fear acquisition

J Leake, R Zinn, L Corbit, B Vissel - Learning & Memory, 2017 - learnmem.cshlp.org
Rodents require a minimal time period to explore a context prior to footshock to display
plateau-level context fear at test. To investigate whether this rapid fear plateau reflects …

Unsupervised one-shot learning of both specific instances and generalised classes with a hippocampal architecture

G Kowadlo, A Ahmed, D Rawlinson - Australasian Joint Conference on …, 2020 - Springer
Established experimental procedures for one-shot machine learning do not test the ability to
learn or remember specific instances of classes, a key feature of animal intelligence …

One-shot learning for the long term: consolidation with an artificial hippocampal algorithm

G Kowadlo, A Ahmed… - 2021 International Joint …, 2021 - ieeexplore.ieee.org
Standard few-shot experiments involve learning to efficiently match unseen samples by
class. We claim that few-shot learning should be long term, assimilating knowledge for the …

The neural basis of decision-making during sensemaking: implications for human-system interaction

MD Howard, R Bhattacharyya… - 2015 IEEE …, 2015 - ieeexplore.ieee.org
We have created a high-fidelity model of 9 regions of the brain involved in making sense of
complex and uncertain situations. Sense making is a proactive form of situation awareness …

Neurocognitive models of sense-making

GA Ascoli, MM Botvinick, RJ Heuer Jr… - Biologically Inspired …, 2014 - Elsevier
Sense-making is a temporally extended inference task involving multiple cycles of
information foraging, evaluation, and judgment. Recent advances in neural simulations of …

Dorsoventral and proximodistal hippocampal processing account for the influences of sleep and context on memory (re) consolidation: A connectionist model

J Lines, K Nation, JM Fellous - Computational Intelligence and …, 2017 - Wiley Online Library
The context in which learning occurs is sufficient to reconsolidate stored memories and
neuronal reactivation may be crucial to memory consolidation during sleep. The …