Papers by Benjamin Zendel
Attentional control declines in older adults and is paralleled by changes in event-related brain ... more Attentional control declines in older adults and is paralleled by changes in event-related brain potentials (ERPs). The N200 is associated with attentional control, thus training-related improvements in atten-tional control should be paralleled by enhancements to the N200. Older participants were randomly assigned to 1 of 3 groups, which focused on training different levels of attentional control: (1) single-task training (single), where participants trained on 2 tasks in isolation; (2) fixed divided attention training (fixed), where participants trained on 2 tasks simultaneously; and (3) variable divided attention training (variable), where participants trained on 2 tasks simultaneously but were instructed to alternatively prioritize each of the 2 tasks. After training, the amplitude of the N200 wave increased in dual-task conditions for the variable group, and this enhancement was correlated with improved dual-task performance. Participants in the variable group also had the greatest improvement in the ability to modulate their allocation of attention in accordance with task instructions to the less salient and less complex of the 2 tasks. Training older adults to modulate their division of attention between tasks improves neural functions associated with attentional control of the trained tasks. Crown
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Pitch discrimination tasks typically engage the superior temporal gyrus and the right inferior fr... more Pitch discrimination tasks typically engage the superior temporal gyrus and the right inferior frontal gyrus. It is currently unclear whether these regions are equally involved in the processing of incongruous notes in melodies, which requires the representation of musical structure (tonality) in addition to pitch discrimination. To this aim, 14 participants completed two tasks while undergoing functional magnetic resonance imaging, one in which they had to identify a pitch change in a series of non-melodic repeating tones and a second in which they had to identify an incongruous note in a tonal melody. In both tasks, the deviants activated the right superior temporal gyrus. A contrast between deviants in the melodic task and deviants in the non-melodic task (melodic > non-melodic) revealed additional activity in the right inferior parietal lobule. Activation in the inferior parietal lobule likely represents processes related to the maintenance of tonal pitch structure in working memory during pitch discrimination.
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Journal of Cognitive Neuroscience, 2015
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Journal of Neuroscience, 2015
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Neurobiology of Aging, 2014
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Hearing Research, 2014
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Neuroreport, 2013
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Journal of Cognitive Neuroscience, Apr 2013
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Psychology and Aging, Jun 1, 2012
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Music Perception, Apr 2012
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Music Perception, Sep 1, 2011
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The Journal of Neuroscience, Mar 1, 2010
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Journal of cognitive neuroscience, Aug 1, 2009
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Canadian Acoustics, Jun 1, 2003
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Canadian Acoustics, Jun 2002
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Thesis Chapters by Benjamin Zendel
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Conference Presentations by Benjamin Zendel
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Papers by Benjamin Zendel
Thesis Chapters by Benjamin Zendel
Conference Presentations by Benjamin Zendel