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Shaping functional architecture by oscillatory alpha activity: gating by inhibition.
Jensen O, Mazaheri A. Jensen O, et al. Among authors: mazaheri a. Front Hum Neurosci. 2010 Nov 4;4:186. doi: 10.3389/fnhum.2010.00186. eCollection 2010. Front Hum Neurosci. 2010. PMID: 21119777 Free PMC article.
In order to understand the working brain as a network, it is essential to identify the mechanisms by which information is gated between regions. ...From a physiological perspective the alpha activity provides pulsed inhibition reducing the processing capabilities of …
In order to understand the working brain as a network, it is essential to identify the mechanisms by which information is gated betwe …
Changes in alpha activity reveal that social opinion modulates attention allocation during face processing.
Heyselaar E, Mazaheri A, Hagoort P, Segaert K. Heyselaar E, et al. Among authors: mazaheri a. Neuroimage. 2018 Jul 1;174:432-440. doi: 10.1016/j.neuroimage.2018.03.034. Epub 2018 Mar 22. Neuroimage. 2018. PMID: 29578028
Region-specific modulations in oscillatory alpha activity serve to facilitate processing in the visual and auditory modalities.
Mazaheri A, van Schouwenburg MR, Dimitrijevic A, Denys D, Cools R, Jensen O. Mazaheri A, et al. Neuroimage. 2014 Feb 15;87:356-62. doi: 10.1016/j.neuroimage.2013.10.052. Epub 2013 Nov 2. Neuroimage. 2014. PMID: 24188814
There have been a number of studies suggesting that oscillatory alpha activity (~10 Hz) plays a pivotal role in attention by gating information flow to relevant sensory regions. ...We found that the preparation for visual discrimination (relative to pitch discrimina …
There have been a number of studies suggesting that oscillatory alpha activity (~10 Hz) plays a pivotal role in attention by g …
Prestimulus alpha and mu activity predicts failure to inhibit motor responses.
Mazaheri A, Nieuwenhuis IL, van Dijk H, Jensen O. Mazaheri A, et al. Hum Brain Mapp. 2009 Jun;30(6):1791-800. doi: 10.1002/hbm.20763. Hum Brain Mapp. 2009. PMID: 19308934 Free PMC article.
This theta increase and alpha decrease correlated on a trial-by-trial basis reflecting post-error functional connectivity between the frontal and occipital regions. By examining the state of the brain before a stimulus, we were able to show that it is possible to pr …
This theta increase and alpha decrease correlated on a trial-by-trial basis reflecting post-error functional connectivity between the …
Asymmetric amplitude modulations of brain oscillations generate slow evoked responses.
Mazaheri A, Jensen O. Mazaheri A, et al. J Neurosci. 2008 Jul 30;28(31):7781-7. doi: 10.1523/JNEUROSCI.1631-08.2008. J Neurosci. 2008. PMID: 18667610 Free PMC article.
Here, we provide a link between the two phenomena. An essential component of our theory is that peaks and troughs of oscillatory activity fluctuate asymmetrically; e.g., peaks are more strongly modulated than troughs in response to stimuli. ...Furthermore, we provide a
Here, we provide a link between the two phenomena. An essential component of our theory is that peaks and troughs of oscillatory acti …
Posterior alpha activity is not phase-reset by visual stimuli.
Mazaheri A, Jensen O. Mazaheri A, et al. Proc Natl Acad Sci U S A. 2006 Feb 21;103(8):2948-52. doi: 10.1073/pnas.0505785103. Epub 2006 Feb 10. Proc Natl Acad Sci U S A. 2006. PMID: 16473952 Free PMC article.
There is currently a debate as to whether event-related potentials and fields measured by using electroencephalography or magnetoencephalography are generated by ongoing oscillatory activity becoming phase-reset in response to a given stimulus. We performed a
There is currently a debate as to whether event-related potentials and fields measured by using electroencephalography or magnetoence …
Trial-by-Trial Dynamics: A Window in Time.
Bengson JJ, Mazaheri A. Bengson JJ, et al. Among authors: mazaheri a. Front Hum Neurosci. 2010 Nov 2;4:199. doi: 10.3389/fnhum.2010.00199. eCollection 2010. Front Hum Neurosci. 2010. PMID: 21120134 Free PMC article. No abstract available.
Rhythmic pulsing: linking ongoing brain activity with evoked responses.
Mazaheri A, Jensen O. Mazaheri A, et al. Front Hum Neurosci. 2010 Oct 14;4:177. doi: 10.3389/fnhum.2010.00177. eCollection 2010. Front Hum Neurosci. 2010. PMID: 21060804 Free PMC article.
The conventional assumption in human cognitive electrophysiology using EEG and MEG is that the presentation of a particular event such as visual or auditory stimuli evokes a "turning on" of additional brain activity that adds to the ongoing background activity. ...W …
The conventional assumption in human cognitive electrophysiology using EEG and MEG is that the presentation of a particular event suc …
Binding language: structuring sentences through precisely timed oscillatory mechanisms.
Segaert K, Mazaheri A, Hagoort P. Segaert K, et al. Among authors: mazaheri a. Eur J Neurosci. 2018 Oct;48(7):2651-2662. doi: 10.1111/ejn.13816. Epub 2018 Jan 18. Eur J Neurosci. 2018. PMID: 29283204
In the syntactic binding (relative to the wordlist) condition, a power increase was observed in the alpha and beta frequency range shortly preceding the presentation of the target word that requires binding, which was maximal over frontal-central electrodes. ...Following t …
In the syntactic binding (relative to the wordlist) condition, a power increase was observed in the alpha and beta frequency range sh …
Modulations in oscillatory activity with amplitude asymmetry can produce cognitively relevant event-related responses.
van Dijk H, van der Werf J, Mazaheri A, Medendorp WP, Jensen O. van Dijk H, et al. Among authors: mazaheri a. Proc Natl Acad Sci U S A. 2010 Jan 12;107(2):900-5. doi: 10.1073/pnas.0908821107. Epub 2009 Dec 22. Proc Natl Acad Sci U S A. 2010. PMID: 20080773 Free PMC article.
Recent work has nevertheless revealed a mechanism by which slow event-related responses are created as a direct consequence of modulations in brain oscillations with nonsinusoidal properties. ...A strikingly similar pattern emerged for modulations in alpha (9 …
Recent work has nevertheless revealed a mechanism by which slow event-related responses are created as a direct consequence of …
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