Synchronization between frontal eye field and area V4 during free-gaze visual search
Information flow between the prefrontal and visual cortices is critical for visual behaviors such as visual search. To investigate its mechanisms, we simultaneously recorded spike and local field potential (LFP) signals in the frontal eye field (FEF) and area V4 while monkeys performed a free-gaze v...
Main Authors: | , |
---|---|
Format: | Article |
Language: | English |
Published: |
Science Press, PR China
2019-09-01
|
Series: | Zoological Research |
Subjects: | |
Online Access: | http://www.zoores.ac.cn/EN/abstract/abstract3963.shtml |
id |
doaj-8a09d94ac4a1428785f5762a49cdc954 |
---|---|
record_format |
Article |
spelling |
doaj-8a09d94ac4a1428785f5762a49cdc9542020-11-24T21:50:21ZengScience Press, PR ChinaZoological Research2095-81372095-81372019-09-0140539440310.24272/j.issn.2095-8137.2019.055Synchronization between frontal eye field and area V4 during free-gaze visual searchTing Yan0Hui-Hui Zhou1Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen Guangdong 518055, ChinaShenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen Guangdong 518055, ChinaInformation flow between the prefrontal and visual cortices is critical for visual behaviors such as visual search. To investigate its mechanisms, we simultaneously recorded spike and local field potential (LFP) signals in the frontal eye field (FEF) and area V4 while monkeys performed a free-gaze visual search task. During free-gaze search, spike-LFP coherence between FEF and V4 was enhanced in the theta rhythm (4–8 Hz) but suppressed in the alpha rhythm (8–13 Hz). Cross-frequency couplings during the Cue period before the search phase were related to monkey performance, with higher FEF theta-V4 gamma coupling and lower FEF alpha-V4 gamma coupling associated with faster search. Finally, feature-based attention during search enhanced spike-LFP coherence between FEF and V4 in the gamma and beta rhythms, whereas overt spatial attention reduced coherence at frequencies up to 30 Hz. These results suggest that oscillatory coupling may play an important role in mediating interactions between the prefrontal and visual cortices during visual search.http://www.zoores.ac.cn/EN/abstract/abstract3963.shtmlSynchronizationFrontal eye field (FEF)V4Visual search |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ting Yan Hui-Hui Zhou |
spellingShingle |
Ting Yan Hui-Hui Zhou Synchronization between frontal eye field and area V4 during free-gaze visual search Zoological Research Synchronization Frontal eye field (FEF) V4 Visual search |
author_facet |
Ting Yan Hui-Hui Zhou |
author_sort |
Ting Yan |
title |
Synchronization between frontal eye field and area V4 during free-gaze visual search |
title_short |
Synchronization between frontal eye field and area V4 during free-gaze visual search |
title_full |
Synchronization between frontal eye field and area V4 during free-gaze visual search |
title_fullStr |
Synchronization between frontal eye field and area V4 during free-gaze visual search |
title_full_unstemmed |
Synchronization between frontal eye field and area V4 during free-gaze visual search |
title_sort |
synchronization between frontal eye field and area v4 during free-gaze visual search |
publisher |
Science Press, PR China |
series |
Zoological Research |
issn |
2095-8137 2095-8137 |
publishDate |
2019-09-01 |
description |
Information flow between the prefrontal and visual cortices is critical for visual behaviors such as visual search. To investigate its mechanisms, we simultaneously recorded spike and local field potential (LFP) signals in the frontal eye field (FEF) and area V4 while monkeys performed a free-gaze visual search task. During free-gaze search, spike-LFP coherence between FEF and V4 was enhanced in the theta rhythm (4–8 Hz) but suppressed in the alpha rhythm (8–13 Hz). Cross-frequency couplings during the Cue period before the search phase were related to monkey performance, with higher FEF theta-V4 gamma coupling and lower FEF alpha-V4 gamma coupling associated with faster search. Finally, feature-based attention during search enhanced spike-LFP coherence between FEF and V4 in the gamma and beta rhythms, whereas overt spatial attention reduced coherence at frequencies up to 30 Hz. These results suggest that oscillatory coupling may play an important role in mediating interactions between the prefrontal and visual cortices during visual search. |
topic |
Synchronization Frontal eye field (FEF) V4 Visual search |
url |
http://www.zoores.ac.cn/EN/abstract/abstract3963.shtml |
work_keys_str_mv |
AT tingyan synchronizationbetweenfrontaleyefieldandareav4duringfreegazevisualsearch AT huihuizhou synchronizationbetweenfrontaleyefieldandareav4duringfreegazevisualsearch |
_version_ |
1725884649919479808 |