User profiles for G. H. Denfield
George DenfieldColumbia University Verified email at columbia.edu Cited by 2566 |
Taking subjectivity seriously: towards a unification of phenomenology, psychiatry, and neuroscience
EJ Kyzar, GH Denfield - Molecular psychiatry, 2023 - nature.com
Nearly all psychiatric diseases involve alterations in subjective, lived experience. The
scientific study of the biological basis of mental illness has generally focused on objective …
scientific study of the biological basis of mental illness has generally focused on objective …
Spike sorting for large, dense electrode arrays
Developments in microfabrication technology have enabled the production of neural electrode
arrays with hundreds of closely spaced recording sites, and electrodes with thousands of …
arrays with hundreds of closely spaced recording sites, and electrodes with thousands of …
[PDF][PDF] Pupil fluctuations track fast switching of cortical states during quiet wakefulness
Neural responses are modulated by brain state, which varies with arousal, attention, and
behavior. In mice, running and whisking desynchronize the cortex and enhance sensory …
behavior. In mice, running and whisking desynchronize the cortex and enhance sensory …
[PDF][PDF] State dependence of noise correlations in macaque primary visual cortex
Shared, trial-to-trial variability in neuronal populations has a strong impact on the accuracy
of information processing in the brain. Estimates of the level of such noise correlations are …
of information processing in the brain. Estimates of the level of such noise correlations are …
[HTML][HTML] Deep convolutional models improve predictions of macaque V1 responses to natural images
Despite great efforts over several decades, our best models of primary visual cortex (V1) still
predict spiking activity quite poorly when probed with natural stimuli, highlighting our limited …
predict spiking activity quite poorly when probed with natural stimuli, highlighting our limited …
On the structure of neuronal population activity under fluctuations in attentional state
Attention is commonly thought to improve behavioral performance by increasing response
gain and suppressing shared variability in neuronal populations. However, both the focus and …
gain and suppressing shared variability in neuronal populations. However, both the focus and …
[HTML][HTML] Attentional fluctuations induce shared variability in macaque primary visual cortex
Variability in neuronal responses to identical stimuli is frequently correlated across a population.
Attention is thought to reduce these correlations by suppressing noisy inputs shared by …
Attention is thought to reduce these correlations by suppressing noisy inputs shared by …
Monetary favors and their influence on neural responses and revealed preference
AH Harvey, U Kirk, GH Denfield… - Journal of …, 2010 - Soc Neuroscience
Favors from a sender to a receiver are known to bias decisions made by the recipient,
especially when the decision relates to the sender, a feature of social exchange known as …
especially when the decision relates to the sender, a feature of social exchange known as …
[HTML][HTML] Learning divisive normalization in primary visual cortex
Divisive normalization (DN) is a prominent computational building block in the brain that
has been proposed as a canonical cortical operation. Numerous experimental studies have …
has been proposed as a canonical cortical operation. Numerous experimental studies have …
Response to Comment on “Principles of connectivity among morphologically defined cell types in adult neocortex”
The critique of Barth et al. centers on three points: (i) the completeness of our study is
overstated; (ii) the connectivity matrix we describe is biased by technical limitations of our brain-…
overstated; (ii) the connectivity matrix we describe is biased by technical limitations of our brain-…