ArticleJournal of neurophysiology2016
Temporal and spatial tuning of dorsal lateral geniculate nucleus neurons in unanesthetized rats.
Article in Journal of neurophysiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 17 citations in OpenAlex.
- Visual activity enhances neuronal excitability in thalamic relay neurons.Science advances · 2025Article
- Extensive topographic remapping and functional sharpening in the adult rat visual pathway upon first visual experience.PLoS biology · 2023Article
- A deep convolutional visual encoding model of neuronal responses in the LGN.Brain informatics · 2021Article
- A Sparse Probabilistic Code Underlies the Limits of Behavioral Discrimination.Cerebral cortex (New York, N.Y. : 1991) · 2020Article
- Neuronal Responses to Short Wavelength Light Deficiency in the Rat Subcortical Visual System.Frontiers in neuroscience · 2020Article
- An evolving view of retinogeniculate transmission.Visual neuroscience · 2017Review
- Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Visual response properties of neurons in the dorsolateral geniculate nucleus (dLGN) have been well described in several species, but not in rats. Analysis of responses from the unanesthetized rat dLGN will be needed to develop quantitative models that account for visual behavior of rats. We recorded visual responses from 130 single units in the dLGN of 7 unanesthetized rats. We report the response amplitudes, temporal frequency, and spatial frequency sensitivities in this population of cells. In response to 2-Hz visual stimulation, dLGN cells fired 15.9 ± 11.4 spikes/s (mean ± SD) modulated by 10.7 ± 8.4 spikes/s about the mean. The optimal temporal frequency for full-field stimulation ranged from 5.8 to 19.6 Hz across cells. The temporal high-frequency cutoff ranged from 11.7 to 33.6 Hz. Some cells responded best to low temporal frequency stimulation (low pass), and others were strictly bandpass; most cells fell between these extremes. At 2- to 4-Hz temporal modulation, the spatial frequency of drifting grating that drove cells best ranged from 0.008 to 0.18 cycles per degree (cpd) across cells. The high-frequency cutoff ranged from 0.01 to 1.07 cpd across cells. The majority of cells were driven best by the lowest spatial frequency tested, but many were partially or strictly bandpass. We conclude that single units in the rat dLGN can respond vigorously to temporal modulation up to at least 30 Hz and spatial detail up to 1 cpd. Tuning properties were heterogeneous, but each fell along a continuum; we found no obvious clustering into discrete cell types along these dimensions.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.