Bottom-up and top-down attention: different processes and overlapping neural systems

F Katsuki, C Constantinidis - The Neuroscientist, 2014 - journals.sagepub.com
The brain is limited in its capacity to process all sensory stimuli present in the physical world
at any point in time and relies instead on the cognitive process of attention to focus neural …

Residual dynamics resolves recurrent contributions to neural computation

AR Galgali, M Sahani, V Mante - Nature Neuroscience, 2023 - nature.com
Relating neural activity to behavior requires an understanding of how neural computations
arise from the coordinated dynamics of distributed, recurrently connected neural …

[PDF][PDF] Natural grouping of neural responses reveals spatially segregated clusters in prearcuate cortex

R Kiani, CJ Cueva, JB Reppas, D Peixoto, SI Ryu… - Neuron, 2015 - cell.com
A fundamental challenge in studying the frontal lobe is to parcellate this cortex into" natural"
functional modules despite the absence of topographic maps, which are so helpful in …

[HTML][HTML] An eye in the palm of your hand: alterations in visual processing near the hand, a mini-review

CJ Perry, P Amarasooriya, M Fallah - Frontiers in computational …, 2016 - frontiersin.org
Feedback within the oculomotor system improves visual processing at eye movement end
points, also termed a visual grasp. We do not just view the world around us however, we …

Context-dependent relationships between locus coeruleus firing patterns and coordinated neural activity in the anterior cingulate cortex

S Joshi, JI Gold - elife, 2022 - elifesciences.org
Ascending neuromodulatory projections from the locus coeruleus (LC) affect cortical neural
networks via the release of norepinephrine (NE). However, the exact nature of these …

[PDF][PDF] Attentional changes in either criterion or sensitivity are associated with robust modulations in lateral prefrontal cortex

TZ Luo, JHR Maunsell - Neuron, 2018 - cell.com
Visual attention is associated with neuronal changes across the brain, and these
widespread signals are generally assumed to underlie a unitary mechanism of attention …

Structural white-matter connections mediating distinct behavioral components of spatial neglect in right brain-damaged patients

MJ Vaessen, A Saj, KO Lovblad, M Gschwind… - Cortex, 2016 - Elsevier
Spatial neglect is a neuropsychological syndrome in which patients fail to perceive and
orient to stimuli located in the space contralateral to the lesioned hemisphere. It is …

Variability of human corticospinal excitability tracks the state of action preparation

MC Klein-Flügge, D Nobbs, JB Pitcher… - Journal of …, 2013 - Soc Neuroscience
Task-evoked trial-by-trial variability is a ubiquitous property of neural responses, yet its
functional role remains largely unclear. Recent work in nonhuman primates shows that the …

Distinct sources of variability affect eye movement preparation

SB Khanna, AC Snyder, MA Smith - Journal of Neuroscience, 2019 - Soc Neuroscience
The sequence of events leading to an eye movement to a target begins the moment visual
information has reached the brain, well in advance of the eye movement itself. The process …

Transient visual responses reset the phase of low‐frequency oscillations in the skeletomotor periphery

DK Wood, C Gu, BD Corneil, PL Gribble… - European Journal of …, 2015 - Wiley Online Library
We recorded muscle activity from an upper limb muscle while human subjects reached
towards peripheral targets. We tested the hypothesis that the transient visual response …