Results 21 to 30 of about 4,418,871 (285)

Neural Sampling by Irregular Gating Inhibition of Spiking Neurons and Attractor Networks [PDF]

open access: yes, 2016
A long tradition in theoretical neuroscience casts sensory processing in the brain as the process of inferring the maximally consistent interpretations of imperfect sensory input.
Indiveri, Giacomo, Muller, Lorenz K.
core   +1 more source

Neural and Neurochemical Mechanisms of Pain Inhibition [PDF]

open access: yesAnaesthesia and Intensive Care, 1982
Recent studies which suggest the existence of an endogenous neural substrate of pain inhibition are reviewed. Electrical stimulation of some areas of the medial brain stem in laboratory rats has produced a dramatic degree of analgesia. Such stimulation-produced analgesia is partially blocked by an opiate antagonist drug.
J C, Liebeskind, J E, Sherman, T, Cannon
openaire   +2 more sources

Dynamic neural field with local inhibition [PDF]

open access: yesBiological Cybernetics, 2005
A lateral-inhibition type neural field model with restricted connections is presented here and represents an experimental extension of the continuum neural field theory (CNFT) by suppression of the global inhibition. A modified CNFT equation is introduced and allows for a locally defined inhibition to spatially expand within the network and results in ...
openaire   +2 more sources

Decorrelation by Recurrent Inhibition in Heterogeneous Neural Circuits [PDF]

open access: yesNeural Computation, 2013
The activity of neurons is correlated, and this correlation affects how the brain processes information. We study the neural circuit mechanisms of correlations by analyzing a network model characterized by strong and heterogeneous interactions: excitatory input drives the fluctuations of neural activity, which are counterbalanced by inhibitory ...
Alberto Bernacchia, Xiao-Jing Wang
openaire   +3 more sources

Impaired response inhibition and excess cortical thickness as candidate endophenotypes for trichotillomania. [PDF]

open access: yes, 2014
Trichotillomania is characterized by repetitive pulling out of one's own hair. Impaired response inhibition has been identified in patients with trichotillomania, along with gray matter density changes in distributed neural regions including frontal ...
Chamberlain, Samuel R.   +4 more
core   +3 more sources

Neural Correlates of Attentional Modulation of Prepulse Inhibition [PDF]

open access: yesFrontiers in Human Neuroscience, 2021
Prepulse inhibition (PPI) refers to the suppression of the startle reflex when the intense startling stimulus is shortly (20–500 ms) preceded by a weak non-startling stimulus (prepulse). Although the main neural correlates of PPI lie in the brainstem, previous research has revealed that PPI can be top-down modulated by attention.
Ming Lei, Yu Ding, Qingxin Meng
openaire   +3 more sources

Socioeconomic status and neural processing of a go/no-go task in preschoolers: an assessment of the P3b [PDF]

open access: yes, 2019
While it is well established that lower socioeconomic status (SES) is associated with poorer executive functioning (EF), how SES relates to the neural processing of EF in childhood remains largely unexplored.
Finch, Kayla   +2 more
core   +1 more source

Rhythmic inhibition allows neural networks to search for maximally consistent states [PDF]

open access: yes, 2015
Gamma-band rhythmic inhibition is a ubiquitous phenomenon in neural circuits yet its computational role still remains elusive. We show that a model of Gamma-band rhythmic inhibition allows networks of coupled cortical circuit motifs to search for network
Giacomo Indiveri   +8 more
core   +1 more source

Push-Pull Control of Motor Output [PDF]

open access: yes, 2012
Inhibition usually decreases input–output excitability of neurons. If, however, inhibition is coupled to excitation in a push–pull fashion, where inhibition decreases as excitation increases, neuron excitability can be increased. Although the presence of
Heckman, C J   +3 more
core   +2 more sources

The neural system for the inhibition of startle [PDF]

open access: yesBulletin of the Psychonomic Society, 1979
In the rat, lesion of the lateral tegmentum but not of the raphee eliminated inhibition of acoustic startle by prior acoustic and visual stimuli with lead times of 50 msec. Since lesion of the lateral tegmentum did not interfere with latency reduction (when the same prior stimuli had lead times of 4 msec), it is concluded that lesion of the lateral ...
Donald S. Leitner   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy