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Modulatory effects mediated by metabotropic glutamate receptor 5 on lateral geniculate nucleus relay cells
(Wiley, 2005-01-18)
[Abstract] Glutamate is thought to be the excitatory neurotransmitter in the lateral geniculate nucleus (LGN) of the cat, mediating visual transmission from the retina via ionotropic receptors of both d,l-α-amino-3-hydro ...
Changes in Visual Responses in the Feline dLGN: Selective Thalamic Suppression Induced by Transcranial Magnetic Stimulation of V1
(Oxford University Press, 2006-08-14)
[Abstract] Transcranial magnetic stimulation (TMS) of the cortex can modify activity noninvasively and produce either excitatory or inhibitory effects, depending on stimulus parameters. Here we demonstrate controlled ...
Suppression of V1 feedback produces a shift in the topographic representation of receptive fields of LGN cells by unmasking latent retinal drives
(Oxford, 2017-03-18)
[Abstract] In awake monkeys, we used repetitive transcranial magnetic stimulation (rTMS) to focally inactivate visual cortex while measuring the responsiveness of parvocellular lateral geniculate nucleus (LGN) neurons. ...
The influence of nitric oxide on perigeniculate GABAergic cell activity in the anaesthetized cat
(Wiley, 1996-12)
[Abstract] We have tested the effect of iontophoretic application of the nitric oxide synthase inhibitor l-nitroarginine on the activity of a population of 53 perigeniculate (PGN) cells, recorded extracellularly in the ...
Sight and insight – on the physiological role of nitric oxide in the visual system
(Elsevier, 1999-03-01)
[Abstract] Research in the fields of cellular communication and signal transduction in the brain has moved very rapidly in recent years. Nitric oxide (NO) is one of the latest discoveries in the arena of messenger molecules. ...
The role of glyclinergic interneurons in the dorsal column nuclei
(Elsevier, 2004-03-12)
[Abstract] The aim of this paper is to provide new insights about the circuitry and the role of the dorsal column nuclei (DCN) in processing somatosensory information. The presence of glycinergic cells, a second type of ...
Specific roles of NMDA and AMPA receptors in direction-selective and spatial phase-selective responses in visual cortex
(Society of Neuroscience, 2001)
[Abstract] Cells in the superficial layers of primary visual cortex (area 17)
are distinguished by feedforward input from thalamic-recipient
layers and by massive recurrent excitatory connections be-
tween ...
Completing the corticofugal loop: a visual role for the corticogeniculate Type 1 metabotropic glutamate receptor
(Society of Neuroscience, 2002-04-01)
[Abstract] The way in which the brain deals with sensory information relies
not only on feedforward processing of signals from the periph-
ery but also on feedback inputs. This is the case of the massive
projection back ...
Intracuneate mechanisms underlying primary afferent cutaneous processing in anaesthetized cats
(Wiley, 2004-06-02)
[Abstract] The cutaneous primary afferents from the upper trunk and forelimbs reach the medial cuneate nucleus in their way towards the cerebral cortex. The aim of this work was twofold: (i) to study the mechanisms used ...
Visual response augmentation in cat (and macaque) LGN: potentiation by corticofugally mediated gain control in the temporal domain
(Wiley, 2001-12-24)
[Abstract] Visual responses of neurons are dependent on the context of a stimulus, not only in spatial terms but also temporally, although evidence for temporally separate visual influences is meagre, based mainly on studies ...