Differences in Rhythmic Neural Activity Supporting the Temporal and Spatial Cueing of Attention. Meehan, C. E., Wiesman, A. I., Spooner, R. K., Schantell, M., Eastman, J. A., & Wilson, T. W. Cerebral cortex (New York, N.Y. : 1991), 31(11):4933–4944, October, 2021. Place: United Statesdoi abstract bibtex The neural processes serving the orienting of attention toward goal-relevant stimuli are generally examined with informative cues that direct visual attention to a spatial location. However, cues predicting the temporal emergence of an object are also known to be effective in attentional orienting but are implemented less often. Differences in the neural oscillatory dynamics supporting these divergent types of attentional orienting have only rarely been examined. In this study, we utilized magnetoencephalography and an adapted Posner cueing task to investigate the spectral specificity of neural oscillations underlying these different types of attentional orienting (i.e., spatial vs. temporal). We found a spectral dissociation of attentional cueing, such that alpha (10-16 Hz) oscillations were central to spatial orienting and theta (3-6 Hz) oscillations were critical to temporal orienting. Specifically, we observed robust decreases in alpha power during spatial orienting in key attention areas (i.e., lateral occipital, posterior cingulate, and hippocampus), along with strong theta increases during temporal orienting in the primary visual cortex. These results suggest that the oscillatory dynamics supporting attentional orienting are spectrally and anatomically specific, such that spatial orienting is served by stronger alpha oscillations in attention regions, whereas temporal orienting is associated with stronger theta responses in visual sensory regions.
@article{meehan_differences_2021,
title = {Differences in {Rhythmic} {Neural} {Activity} {Supporting} the {Temporal} and {Spatial} {Cueing} of {Attention}.},
volume = {31},
copyright = {© The Author(s) 2021. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.},
issn = {1460-2199 1047-3211},
doi = {10.1093/cercor/bhab132},
abstract = {The neural processes serving the orienting of attention toward goal-relevant stimuli are generally examined with informative cues that direct visual attention to a spatial location. However, cues predicting the temporal emergence of an object are also known to be effective in attentional orienting but are implemented less often. Differences in the neural oscillatory dynamics supporting these divergent types of attentional orienting have only rarely been examined. In this study, we utilized magnetoencephalography and an adapted Posner cueing task to investigate the spectral specificity of neural oscillations underlying these different types of attentional orienting (i.e., spatial vs. temporal). We found a spectral dissociation of attentional cueing, such that alpha (10-16 Hz) oscillations were central to spatial orienting and theta (3-6 Hz) oscillations were critical to temporal orienting. Specifically, we observed robust decreases in alpha power during spatial orienting in key attention areas (i.e., lateral occipital, posterior cingulate, and hippocampus), along with strong theta increases during temporal orienting in the primary visual cortex. These results suggest that the oscillatory dynamics supporting attentional orienting are spectrally and anatomically specific, such that spatial orienting is served by stronger alpha oscillations in attention regions, whereas temporal orienting is associated with stronger theta responses in visual sensory regions.},
language = {eng},
number = {11},
journal = {Cerebral cortex (New York, N.Y. : 1991)},
author = {Meehan, Chloe E. and Wiesman, Alex I. and Spooner, Rachel K. and Schantell, Mikki and Eastman, Jacob A. and Wilson, Tony W.},
month = oct,
year = {2021},
pmid = {34226925},
pmcid = {PMC8491686},
note = {Place: United States},
keywords = {*Cues, *Orientation/physiology, Magnetoencephalography/methods, attentional orienting, magnetoencephalography, neural oscillations, spatial attention, temporal attention},
pages = {4933--4944},
}
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