Results 21 to 30 of about 2,658,546 (298)

Behavioral and neural mechanisms of latent inhibition

open access: yesLearning & Memory, 2022
Fear is an adaptive emotion that serves to protect an organism against potential dangers. It is often studied using classical conditioning paradigms where a conditioned stimulus is paired with an aversive unconditioned stimulus to induce a threat response.
Miller, Dylan B.   +3 more
openaire   +2 more sources

Stop What You're Doing!—An fMRI Study on Comparisons of Neural Subprocesses of Response Inhibition in ADHD and Alcohol Use Disorder

open access: yesFrontiers in Psychiatry, 2021
Rationale: Both attention deficit-/hyperactivity disorder (ADHD) and alcohol use disorder (AUD) are accompanied by deficits in response inhibition. Furthermore, the prevalence of comorbidity of ADHD and AUD is high.
Sarah Gerhardt   +10 more
doaj   +1 more source

Rate-Dependent Depression of the Hoffmann Reflex: Practical Applications in Painful Diabetic Neuropathy [PDF]

open access: yesDiabetes & Metabolism Journal
Measurement of the rate-dependent depression (RDD) of the Hoffmann (H) reflex, a technique developed over half a century ago, is founded on repeated stimulation of the H-reflex with tracking of sequentially evoked H-wave amplitudes in the resulting ...
Lu Han, Nigel A. Calcutt, Xiajun Zhou
doaj   +1 more source

Robust Network Inhibition and Decay of Early-Phase LTP in the Hippocampal CA1 Subfield of the Amazon Rodent Proechimys

open access: yesFrontiers in Neural Circuits, 2018
Background: Diverse forms of long-term potentiation (LTP) have been described, but one of the most investigated is encountered in the glutamatergic synapses of the hippocampal cornu Ammonis (CA1) subfield.
Selvin Z. Reyes-Garcia   +6 more
doaj   +1 more source

Multiple roles of Activin/Nodal, bone morphogenetic protein, fibroblast growth factor and Wnt/β-catenin signalling in the anterior neural patterning of adherent human embryonic stem cell cultures [PDF]

open access: yesOpen Biology, 2013
Several studies have successfully produced a variety of neural cell types from human embryonic stem cells (hESCs), but there has been limited systematic analysis of how different regional identities are established using well-defined differentiation ...
Giuseppe Lupo   +8 more
doaj   +1 more source

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

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

Feedforward inhibition and synaptic scaling - two sides of the same coin? [PDF]

open access: yes, 2012
Feedforward inhibition and synaptic scaling are important adaptive processes that control the total input a neuron can receive from its afferents. While often studied in isolation, the two have been reported to co-occur in various brain regions.
Cristina Savin   +11 more
core   +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

What do we really know about cognitive inhibition? Task demands and inhibitory effects across a range of memory and behavioural tasks [PDF]

open access: yes, 2015
The authors (SN, principal investigator and MDM as co-investigator) received funding from the British Academy for this research (http://www.britac.ac.uk/).
Saima Noreen (462029)   +9 more
core   +2 more sources

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