User profiles for Gabriel Koch Ocker

Gabriel Koch Ocker

Boston University
Verified email at bu.edu
Cited by 1624

Survey of spiking in the mouse visual system reveals functional hierarchy

…, K Ngo, T Nguyen, PR Nicovich, K North, GK Ocker… - Nature, 2021 - nature.com
The anatomy of the mammalian visual system, from the retina to the neocortex, is organized
hierarchically 1 . However, direct observation of cellular-level functional interactions across …

VIP interneurons in mouse primary visual cortex selectively enhance responses to weak but specific stimuli

DJ Millman, GK Ocker, S Caldejon, I Kato, JD Larkin… - Elife, 2020 - elifesciences.org
Vasoactive intestinal peptide-expressing (VIP) interneurons in the cortex regulate feedback
inhibition of pyramidal neurons through suppression of somatostatin-expressing (SST) …

A survey of spiking activity reveals a functional hierarchy of mouse corticothalamic visual areas

…, K Ngo, T Nguyen, PR Nicovich, K North, GK Ocker… - Biorxiv, 2019 - biorxiv.org
The mammalian visual system, from retina to neocortex, has been extensively studied at
both anatomical and functional levels. Anatomy indicates the cortico-thalamic system is …

[HTML][HTML] Self-organization of microcircuits in networks of spiking neurons with plastic synapses

GK Ocker, A Litwin-Kumar, B Doiron - PLoS computational biology, 2015 - journals.plos.org
The synaptic connectivity of cortical networks features an overrepresentation of certain wiring
motifs compared to simple random-network models. This structure is shaped, in part, by …

Attentional modulation of neuronal variability in circuit models of cortex

T Kanashiro, GK Ocker, MR Cohen, B Doiron - Elife, 2017 - elifesciences.org
10.7554/eLife.23978.001 The circuit mechanisms behind shared neural variability (noise
correlation) and its dependence on neural state are poorly understood. Visual attention is well-…

[HTML][HTML] Dimensionality in recurrent spiking networks: Global trends in activity and local origins in connectivity

S Recanatesi, GK Ocker, MA Buice… - PLoS computational …, 2019 - journals.plos.org
The dimensionality of a network’s collective activity is of increasing interest in neuroscience.
This is because dimensionality provides a compact measure of how coordinated network-…

From the statistics of connectivity to the statistics of spike times in neuronal networks

GK Ocker, Y Hu, MA Buice, B Doiron, K Josić… - Current opinion in …, 2017 - Elsevier
An essential step toward understanding neural circuits is linking their structure and their
dynamics. In general, this relationship can be almost arbitrarily complex. Recent theoretical work …

[HTML][HTML] Linking structure and activity in nonlinear spiking networks

GK Ocker, K Josić, E Shea-Brown… - PLoS computational …, 2017 - journals.plos.org
Recent experimental advances are producing an avalanche of data on both neural connectivity
and neural activity. To take full advantage of these two emerging datasets we need a …

Republished: Dynamics of Stochastic Integrate-and-Fire Networks

GK Ocker - Physical Review X, 2023 - APS
The neural dynamics generating sensory, motor, and cognitive functions are commonly
understood through field theories for neural population activity. Classic neural field theories are …

Training and spontaneous reinforcement of neuronal assemblies by spike timing plasticity

GK Ocker, B Doiron - Cerebral Cortex, 2019 - academic.oup.com
The synaptic connectivity of cortex is plastic, with experience shaping the ongoing interactions
between neurons. Theoretical studies of spike timing-dependent plasticity (STDP) have …