All Relations between top-down modulation and v1

Publication Sentence Publish Date Extraction Date Species
Su Keun Jeon. Perceived image size modulates visual memory. Psychonomic bulletin & review. 2023-06-02. PMID:37268748. our finding supports the idea that visual memory is modulated by top-down feedback from higher visual regions to the early visual cortex. 2023-06-02 2023-08-14 human
Lora T Likova, Zhangziyi Zhou, Michael Liang, Christopher W Tyle. Spatial cognition training rapidly induces cortical plasticity in blind navigation: Transfer of training effect & Granger causal connectivity analysis. IS&T International Symposium on Electronic Imaging. vol 35. 2023-05-31. PMID:37256188. primarily top-down influences were seen during two tasks of drawing-from-memory (drawing complex maps and drawing the shortest path between designated map locations), with the dominant role being congruent influences from the egocentric insular to the allocentric spatial retrosplenial cortex and the amodal-spatial sketchpad of v1, with concomitant influences of the frontal cortex on these areas. 2023-05-31 2023-08-14 Not clear
Jolien P Schuurmans, Matthew A Bennett, Kirsten Petras, Valérie Goffau. Backward masking reveals coarse-to-fine dynamics in human V1. NeuroImage. 2023-05-03. PMID:37137434. it instead indicates that v1 may yield a 'spatially registered common forum' or 'blackboard' that integrates top-down inferences with incoming visual signals through its recurrent interaction with high-level regions located in the inferotemporal, dorsal and frontal regions. 2023-05-03 2023-08-14 human
Nan Qin, Francesca Crespi, Alice Mado Proverbio, Gilles Pourtoi. A systematic exploration of attentional load effects on the C1 ERP component. Psychophysiology. 2023-04-05. PMID:37017263. combined together, these results suggest that different top-down control processes can influence the initial feedforward stage of visual processing in v1 captured by the c1 erp component. 2023-04-05 2023-08-14 Not clear
Georgia Bastos, Jacob T Holmes, Jordan M Ross, Anna M Rader, Connor G Gallimore, Darcy S Peterka, Jordan P Ham. A frontosensory circuit for visual context processing is synchronous in the theta/alpha band. bioRxiv : the preprint server for biology. 2023-03-03. PMID:36865311. these heightened responses, known as "deviance detection," require both inhibition local to v1 and top-down modulation from higher areas of cortex. 2023-03-03 2023-08-14 mouse
Zheng Ye, Jian Ding, Yanni Tu, Qiuyu Zhang, Shunshun Chen, Hao Yu, Qingyan Sun, Tianmiao Hu. Suppression of top-down influence decreases both behavioral and V1 neuronal response sensitivity to stimulus orientations in cats. Frontiers in behavioral neuroscience. vol 17. 2023-02-27. PMID:36844652. suppression of top-down influence decreases both behavioral and v1 neuronal response sensitivity to stimulus orientations in cats. 2023-02-27 2023-08-14 cat
Zheng Ye, Jian Ding, Yanni Tu, Qiuyu Zhang, Shunshun Chen, Hao Yu, Qingyan Sun, Tianmiao Hu. Suppression of top-down influence decreases both behavioral and V1 neuronal response sensitivity to stimulus orientations in cats. Frontiers in behavioral neuroscience. vol 17. 2023-02-27. PMID:36844652. how top-down influence affects behavioral detection of visual signals and neuronal response sensitivity in the primary visual cortex (v1) remains poorly understood. 2023-02-27 2023-08-14 cat
Zheng Ye, Jian Ding, Yanni Tu, Qiuyu Zhang, Shunshun Chen, Hao Yu, Qingyan Sun, Tianmiao Hu. Suppression of top-down influence decreases both behavioral and V1 neuronal response sensitivity to stimulus orientations in cats. Frontiers in behavioral neuroscience. vol 17. 2023-02-27. PMID:36844652. this study examined both behavioral performance in stimulus orientation identification and neuronal response sensitivity to stimulus orientations in the v1 of cat before and after top-down influence of area 7 (a7) was modulated by non-invasive transcranial direct current stimulation (tdcs). 2023-02-27 2023-08-14 cat
Zheng Ye, Jian Ding, Yanni Tu, Qiuyu Zhang, Shunshun Chen, Hao Yu, Qingyan Sun, Tianmiao Hu. Suppression of top-down influence decreases both behavioral and V1 neuronal response sensitivity to stimulus orientations in cats. Frontiers in behavioral neuroscience. vol 17. 2023-02-27. PMID:36844652. these results indicate that top-down influence of a7 may enhance behavioral identification of stimulus orientations by increasing neuronal visually-evoked response and response selectivity in the v1. 2023-02-27 2023-08-14 cat
Elena V Orekhova, Viktoriya O Manyukhina, Ilia A Galuta, Andrey O Prokofyev, Dzerassa E Goiaeva, Tatiana S Obukhova, Kirill A Fadeev, Justin F Schneiderman, Tatiana A Stroganov. Gamma oscillations point to the role of primary visual cortex in atypical motion processing in autism. PloS one. vol 18. issue 2. 2023-02-13. PMID:36780507. in particular, the impaired ability of people with asd to visually discriminate the motion direction of small-size objects and their reduced perceptual suppression of background-like visual motion may stem from deficient surround inhibition within the primary visual cortex (v1) and/or its atypical top-down modulation by higher-tier cortical areas. 2023-02-13 2023-08-14 human
Elena V Orekhova, Viktoriya O Manyukhina, Ilia A Galuta, Andrey O Prokofyev, Dzerassa E Goiaeva, Tatiana S Obukhova, Kirill A Fadeev, Justin F Schneiderman, Tatiana A Stroganov. Gamma oscillations point to the role of primary visual cortex in atypical motion processing in autism. PloS one. vol 18. issue 2. 2023-02-13. PMID:36780507. in td boys, the gr suppression directly correlated with perceptual suppression caused by increasing stimulus size, thus suggesting the role of the top-down modulations of v1 in surround inhibition. 2023-02-13 2023-08-14 human
Elena V Orekhova, Viktoriya O Manyukhina, Ilia A Galuta, Andrey O Prokofyev, Dzerassa E Goiaeva, Tatiana S Obukhova, Kirill A Fadeev, Justin F Schneiderman, Tatiana A Stroganov. Gamma oscillations point to the role of primary visual cortex in atypical motion processing in autism. PloS one. vol 18. issue 2. 2023-02-13. PMID:36780507. these results strongly suggest that a local inhibitory deficit in v1 plays an important role in the reduction of directional sensitivity in asd and that this perceptual deficit cannot be explained exclusively by atypical top-down modulation of v1 by higher-tier cortical areas. 2023-02-13 2023-08-14 human
Jafar Doostmohammadi, Marc Alwin Gieselmann, Jochem van Kempen, Reza Lashgari, Ali Yoonessi, Alexander Thiel. Ripples in macaque V1 and V4 are modulated by top-down visual attention. Proceedings of the National Academy of Sciences of the United States of America. vol 120. issue 5. 2023-01-25. PMID:36696442. ripples in macaque v1 and v4 are modulated by top-down visual attention. 2023-01-25 2023-08-14 monkey
George E C Thomas, Peter Zeidman, Tajwar Sultana, Angeliki Zarkali, Adeel Razi, Rimona S Wei. Changes in both top-down and bottom-up effective connectivity drive visual hallucinations in Parkinson's disease. Brain communications. vol 5. issue 1. 2023-01-05. PMID:36601626. we find that visual hallucinators display decreased bottom-up effective connectivity from the lateral geniculate nucleus to primary visual cortex and increased top-down effective connectivity from the left prefrontal cortex to primary visual cortex and the medial thalamus, as compared with non-visual hallucinators. 2023-01-05 2023-08-14 Not clear
Shen Zhang, Jian Ding, Yanni Tu, Qiuyu Zhang, Zheng Ye, Hao Yu, Qingyan Sun, Tianmiao Hu. Modulation of top-down influence affects trafficking of glutamatergic receptors in the primary visual cortex. Biochemical and biophysical research communications. vol 632. 2022-10-03. PMID:36191373. modulation of top-down influence affects trafficking of glutamatergic receptors in the primary visual cortex. 2022-10-03 2023-08-14 cat
Shen Zhang, Jian Ding, Yanni Tu, Qiuyu Zhang, Zheng Ye, Hao Yu, Qingyan Sun, Tianmiao Hu. Modulation of top-down influence affects trafficking of glutamatergic receptors in the primary visual cortex. Biochemical and biophysical research communications. vol 632. 2022-10-03. PMID:36191373. numerous studies indicate that top-down influence plays critical roles in visual perception by enhancing neuronal excitability in the primary visual cortex (v1). 2022-10-03 2023-08-14 cat
Shen Zhang, Jian Ding, Yanni Tu, Qiuyu Zhang, Zheng Ye, Hao Yu, Qingyan Sun, Tianmiao Hu. Modulation of top-down influence affects trafficking of glutamatergic receptors in the primary visual cortex. Biochemical and biophysical research communications. vol 632. 2022-10-03. PMID:36191373. this study examined changes of excitatory glutamatergic markers in the v1 cortex of cat after top-down influence of cortical area 7 (a7) was modulated by transcranial direct current stimulation (tdcs). 2022-10-03 2023-08-14 cat
Feizhen Cao, Ke Zeng, Junmeng Zheng, Linwei Yu, Shen Liu, Lin Zhang, Qiang X. Neural response and representation: Facial expressions in scenes. Psychophysiology. 2022-09-17. PMID:36114680. taken together, these results suggested that facial expression processing in the visual cortex is modulated by top-down signals. 2022-09-17 2023-08-14 human
Sean Noah, Sreenivasan Meyyappan, Mingzhou Ding, George R Mangu. Anticipatory attention is a stable state induced by transient control mechanisms. Frontiers in human neuroscience. vol 16. 2022-08-08. PMID:35937681. these findings support the hypothesis that anticipatory attention involves transient top-down control signals that establish more stable neural states in visual cortex, enabling selective sensory processing. 2022-08-08 2023-08-14 human
Joshua J Foster, Sam Lin. Feature-based attention multiplicatively scales the fMRI-BOLD contrast-response function. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2022-07-22. PMID:35868860. these findings suggest that attentional effects measured with fmri reflect top-down inputs to visual cortex, rather than the modulation of sensory gain. 2022-07-22 2023-08-14 human