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pro vyhledávání: '"Kilpatrick, Zachary P"'
Localized persistent neural activity can encode delayed estimates of continuous variables. Common experiments require that subjects store and report the feature value (e.g., orientation) of a particular cue (e.g., oriented bar on a screen) after a de
Externí odkaz:
http://arxiv.org/abs/2405.13182
Autor:
Linn, Samantha, Lawley, Sean D., Karamched, Bhargav R., Kilpatrick, Zachary P., Josić, Krešimir
Decisions are often made by heterogeneous groups of individuals, each with distinct initial biases and access to information of different quality. We show that in large groups of independent agents who accumulate evidence the first to decide are thos
Externí odkaz:
http://arxiv.org/abs/2401.00306
Autor:
Shaw, Sage, Kilpatrick, Zachary P
Traveling waves of neural activity emerge in cortical networks both spontaneously and in response to stimuli. The spatiotemporal structure of waves can indicate the information they encode and the physiological processes that sustain them. Here, we i
Externí odkaz:
http://arxiv.org/abs/2312.06100
The distinct timescales of synaptic plasticity and neural activity dynamics play an important role in the brain's learning and memory systems. Activity-dependent plasticity reshapes neural circuit architecture, determining spontaneous and stimulus-en
Externí odkaz:
http://arxiv.org/abs/2306.16537
Autor:
Stickler, Megan, Ott, William, Kilpatrick, Zachary P., Josić, Krešimir, Karamched, Bhargav R.
Normative models are often used to describe how humans and animals make decisions. These models treat deliberation as the accumulation of uncertain evidence that terminates with a commitment to a choice. When extended to social groups, such models of
Externí odkaz:
http://arxiv.org/abs/2304.01078
Optimal designs minimize the number of experimental runs (samples) needed to accurately estimate model parameters, resulting in algorithms that, for instance, efficiently minimize parameter estimate variance. Governed by knowledge of past observation
Externí odkaz:
http://arxiv.org/abs/2205.10371
Localized persistent cortical neural activity is a validated neural substrate of parametric working memory. Such activity `bumps' represent the continuous location of a cue over several seconds. Pyramidal (excitatory) and interneuronal (inhibitory) s
Externí odkaz:
http://arxiv.org/abs/2203.02438
Animals typically forage in groups. Social foraging can help animals avoid predation and decrease their uncertainty about the richness of food resources. Despite this, theoretical mechanistic models of patch foraging have overwhelmingly focused on th
Externí odkaz:
http://arxiv.org/abs/2202.05761
Honey bees make decisions regarding foraging and nest-site selection in groups ranging from hundreds to thousands of individuals. To effectively make these decisions bees need to communicate within a spatially distributed group. However, the spatiote
Externí odkaz:
http://arxiv.org/abs/2012.00157
Autor:
Karamched, Bhargav, Stickler, Megan, Ott, William, Lindner, Benjamin, Kilpatrick, Zachary, Josic, Kresimir
Publikováno v:
Phys. Rev. Lett. 125, 218302 (2020)
How does temporally structured private and social information shape collective decisions? To address this question we consider a network of rational agents who independently accumulate private evidence that triggers a decision upon reaching a thresho
Externí odkaz:
http://arxiv.org/abs/2007.05629