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Coherent spatiotemporal patterns of ongoing activity revealed by real-time optical imaging coupled with single-unit recording in the cat visual cortex.
Arieli A, Shoham D, Hildesheim R, Grinvald A. Arieli A, et al. J Neurophysiol. 1995 May;73(5):2072-93. doi: 10.1152/jn.1995.73.5.2072. J Neurophysiol. 1995. PMID: 7623099
In 88% of the neurons recorded during spontaneous activity, a significant correlation was found between the occurrence of a spike and the optical signal recorded in a large cortical region surrounding the recording site. This result indicates that spontaneous …
In 88% of the neurons recorded during spontaneous activity, a significant correlation was found between the occurrence of a sp …
Alterations in task-induced activity and resting-state fluctuations in visual and DMN areas revealed in long-term meditators.
Berkovich-Ohana A, Harel M, Hahamy A, Arieli A, Malach R. Berkovich-Ohana A, et al. Among authors: arieli a. Neuroimage. 2016 Jul 15;135:125-34. doi: 10.1016/j.neuroimage.2016.04.024. Epub 2016 Apr 22. Neuroimage. 2016. PMID: 27109713
Interhemispheric correlations of slow spontaneous neuronal fluctuations revealed in human sensory cortex.
Nir Y, Mukamel R, Dinstein I, Privman E, Harel M, Fisch L, Gelbard-Sagiv H, Kipervasser S, Andelman F, Neufeld MY, Kramer U, Arieli A, Fried I, Malach R. Nir Y, et al. Nat Neurosci. 2008 Sep;11(9):1100-8. doi: 10.1038/nn.2177. Nat Neurosci. 2008. PMID: 19160509 Free PMC article.
Collinear stimuli induce local and cross-areal coherence in the visual cortex of behaving monkeys.
Gilad A, Meirovithz E, Leshem A, Arieli A, Slovin H. Gilad A, et al. PLoS One. 2012;7(11):e49391. doi: 10.1371/journal.pone.0049391. Epub 2012 Nov 19. PLoS One. 2012. PMID: 23185325 Free PMC article.
Previous studies have shown that proximal collinear flankers, unlike orthogonal, can enhance the detection of a low contrast central element. ...CONCLUSIONS/SIGNIFICANCE: Our findings suggest that collinear effects are mediated by synchronization in a distributed ne …
Previous studies have shown that proximal collinear flankers, unlike orthogonal, can enhance the detection of a low contrast central …
Coupling between neuronal firing rate, gamma LFP, and BOLD fMRI is related to interneuronal correlations.
Nir Y, Fisch L, Mukamel R, Gelbard-Sagiv H, Arieli A, Fried I, Malach R. Nir Y, et al. Curr Biol. 2007 Aug 7;17(15):1275-85. doi: 10.1016/j.cub.2007.06.066. Curr Biol. 2007. PMID: 17686438
We found a wide range of coupling levels between the activity of individual neurons and gamma LFP. However, this large variability could be predominantly explained (r = 0.66) by the degree of firing-rate correlations between neighboring neurons. ...CONCLUSIONS: Our results …
We found a wide range of coupling levels between the activity of individual neurons and gamma LFP. However, this large variability co …
Coupling between neuronal firing, field potentials, and FMRI in human auditory cortex.
Mukamel R, Gelbard H, Arieli A, Hasson U, Fried I, Malach R. Mukamel R, et al. Science. 2005 Aug 5;309(5736):951-4. doi: 10.1126/science.1110913. Science. 2005. PMID: 16081741

The predicted fMRI signals derived from single units and the measured fMRI signals from auditory cortex showed a highly significant correlation (r = 0.75, P < 10(-47)). Thus, fMRI signals can provide a reliable measure of the firing rate of human cortical neurons

The predicted fMRI signals derived from single units and the measured fMRI signals from auditory cortex showed a highly significant c …
Spontaneously emerging cortical representations of visual attributes.
Kenet T, Bibitchkov D, Tsodyks M, Grinvald A, Arieli A. Kenet T, et al. Nature. 2003 Oct 30;425(6961):954-6. doi: 10.1038/nature02078. Nature. 2003. PMID: 14586468
Using voltage sensitive dye imaging, we previously established a close link between ongoing activity in the visual cortex of anaesthetized cats and the spontaneous firing of a single neuron. ...When such an orientation state emerged spontaneously, it spanned several …
Using voltage sensitive dye imaging, we previously established a close link between ongoing activity in the visual cortex of anaesthe …
Imaging spatiotemporal dynamics of surround inhibition in the barrels somatosensory cortex.
Derdikman D, Hildesheim R, Ahissar E, Arieli A, Grinvald A. Derdikman D, et al. J Neurosci. 2003 Apr 15;23(8):3100-5. doi: 10.1523/JNEUROSCI.23-08-03100.2003. J Neurosci. 2003. PMID: 12716915 Free PMC article.
We found that the motion of a single whisker evoked a cortical response exhibiting either one or three phases. During a triphasic response, there was first a cortical depolarization in a small cortical region the size of a single cortical …
We found that the motion of a single whisker evoked a cortical response exhibiting either one or three phases. During a
Neuronal assemblies: single cortical neurons are obedient members of a huge orchestra.
Grinvald A, Arieli A, Tsodyks M, Kenet T. Grinvald A, et al. Biopolymers. 2003 Mar;68(3):422-36. doi: 10.1002/bip.10273. Biopolymers. 2003. PMID: 12601800
We explored the coherent population activity of neuronal assemblies in primary sensory area in the absence of a sensory input. ...This demonstration suggests that ongoing activity may also play a major role in other cortical function by providing a neuronal s …
We explored the coherent population activity of neuronal assemblies in primary sensory area in the absence of a sensory input. ...Thi …
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