Daniel McNamee
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Articles by Daniel McNamee
The One Person Servant Leadership Forgets
Picture the battalion chief who has worked twenty years of structure fires without missing a family dinner announcement, a promotion ceremony, or a subordinate’s bad night. Picture the shelter director who answers her phone at 2 a.m. because it might be a client in crisis, not because a policy told her to. Picture the captain who absorbs the board’s worry, the mayor’s questions, and the crew’s exhaustion, in that order, and gets to his own somewhere after midnight, if at all.
Brain-inspired representations of urban space
?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a formula to zoom. Abstract Geography and neuroscience share a core interest in understanding human behaviour in spatial environments. Yet, interdisciplinary collaboration is often limited by differences in methodology and epistemological assumptions.
A multidimensional distributional map of future reward in dopamine neurons - Nature
Abstract Midbrain dopamine neurons (DANs) signal reward-prediction errors that teach recipient circuits about expected rewards1. However, DANs are thought to provide a substrate for temporal difference (TD) reinforcement learning (RL), an algorithm that learns the mean of temporally discounted expected future rewards, discarding useful information about experienced distributions of reward amounts and delays2.
[2502.10122] Modern Hopfield Networks with Continuous-Time Memories
[Submitted on 14 Feb 2025] Title:Modern Hopfield Networks with Continuous-Time Memories View a PDF of the paper titled Modern Hopfield Networks with Continuous-Time Memories, by Saul Santos and Ant\'onio Farinhas and Daniel C. McNamee and Andr\'e F.T. Martins View PDF HTML (experimental) Abstract:Recent research has established a connection between modern Hopfield networks (HNs) and transformer attention heads, with guarantees of exponential storage capacity.
Hopfield-Fenchel-Young Networks: A Unified Framework for Associative Memory Retrieval
[Submitted on 13 Nov 2024] Title:Hopfield-Fenchel-Young Networks: A Unified Framework for Associative Memory Retrieval View a PDF of the paper titled Hopfield-Fenchel-Young Networks: A Unified Framework for Associative Memory Retrieval, by Saul Santos and Vlad Niculae and Daniel McNamee and Andr\'e F. T.
Compositional Sequence Generation in the Entorhinal–Hippocampal System
Abstract : Neurons in the medial entorhinal cortex exhibit multiple, periodically organized, firing fields which collectively appear to form an internal representation of space. Neuroimaging data suggest that this grid coding is also present in other cortical areas such as the prefrontal cortex, indicating that it may be a general principle of neural functionality in the brain.
The Northern Ireland Problem: Culture, Class & Conflict in Belfast
In a turn of events seemingly destined to be repeated ad aeternum, on the night of April 2nd major rioting broke out in the Sandy Row area of South Belfast. The unrest saw Ulster Loyalists attacking the PSNI with various projectiles including but not limited to: bricks, bottles, fireworks and petrol bombs. Eight arrests were made, all of whom were aged between 13 and 25. The following day similar disturbances broke out in Newtownabbey and Derry, where a nursing home was attacked.
Flexible modulation of sequence generation in the entorhinal-hippocampal system
Abstract Exploration, consolidation and planning depend on the generation of sequential state representations. However, these algorithms require disparate forms of sampling dynamics for optimal performance. We theorize how the brain should adapt internally generated sequences for particular cognitive functions and propose a neural mechanism by which this may be accomplished within the entorhinal–hippocampal circuit.
Rapid Visuomotor Responses Reflect Value-Based Decisions
Research Articles, Behavioral/Cognitive Timothy J. Carroll, Daniel McNamee, James N. Ingram and Daniel M. Wolpert Journal of Neuroscience 15 May 2019, 39 (20) 3906-3920; DOI: https://doi.org/10.1523/JNEUROSCI.1934-18.2019 Abstract Cognitive decision-making is known to be sensitive to the values of potential options, which are the probability and size of rewards associated with different choices.
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