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1
Comparing two facets of emotion perception across multiple neurodegenerative diseases.
In: Social cognitive and affective neuroscience, vol 15, iss 5 (2020)
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2
Deformation-based shape analysis of the hippocampus in the semantic variant of primary progressive aphasia and Alzheimer's disease.
Chapleau, Marianne; Bedetti, Christophe; Devenyi, Gabriel A. - : eScholarship, University of California, 2020
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3
Comparing two facets of emotion perception across multiple neurodegenerative diseases.
In: Social cognitive and affective neuroscience, vol 15, iss 5 (2020)
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4
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
Lee, Suzee E; Sias, Ana C; Kosik, Eena L. - : eScholarship, University of California, 2019
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5
Physiological, behavioral and subjective sadness reactivity in frontotemporal dementia subtypes.
In: Social cognitive and affective neuroscience, vol 14, iss 12 (2019)
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6
Factors that predict diagnostic stability in neurodegenerative dementia.
In: Journal of neurology, vol 266, iss 8 (2019)
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7
Factors that predict diagnostic stability in neurodegenerative dementia.
In: Journal of neurology, vol 266, iss 8 (2019)
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8
Relationship Turmoil and Emotional Empathy in Frontotemporal Dementia.
In: Alzheimer disease and associated disorders, vol 33, iss 3 (2019)
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9
Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
Toller, Gianina; Yang, Winson FZ; Brown, Jesse A. - : eScholarship, University of California, 2019
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10
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
Lee, Suzee E; Sias, Ana C; Kosik, Eena L. - : eScholarship, University of California, 2019
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11
Relationship Turmoil and Emotional Empathy in Frontotemporal Dementia.
In: Alzheimer disease and associated disorders, vol 33, iss 3 (2019)
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12
Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
Toller, Gianina; Yang, Winson FZ; Brown, Jesse A. - : eScholarship, University of California, 2019
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13
Physiological, behavioral and subjective sadness reactivity in frontotemporal dementia subtypes.
In: Social cognitive and affective neuroscience, vol 14, iss 12 (2019)
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14
Neural correlates of abnormal auditory feedback processing during speech production in Alzheimer's disease.
In: Scientific reports, vol 9, iss 1 (2019)
Abstract: Accurate integration of sensory inputs and motor commands is essential to achieve successful behavioral goals. A robust model of sensorimotor integration is the pitch perturbation response, in which speakers respond rapidly to shifts of the pitch in their auditory feedback. In a previous study, we demonstrated abnormal sensorimotor integration in patients with Alzheimer's disease (AD) with an abnormally enhanced behavioral response topitch perturbation. Here we examine the neural correlates of the abnormal pitch perturbation response in AD patients, using magnetoencephalographic imaging. The participants phonated the vowel /α/ while a real-time signal processor briefly perturbed the pitch(100 cents, 400 ms) of their auditory feedback. We examined the high-gamma band (65-150 Hz) responses during this task. AD patients showed significantly reduced left prefrontal activity during the early phase of perturbation and increased right middle temporal activity during the later phase of perturbation, compared to controls. Activity in these brain regions significantly correlated with the behavioral response. These results demonstrate that impaired prefrontal modulation of speech-motor-control network and additional recruitment of right temporal regions are significant mediators of aberrant sensorimotor integration in patients with AD. The abnormal neural integration mechanisms signify the contribution of cortical network dysfunction to cognitive and behavioral deficits in AD.
Keyword: 2.1 Biological and endogenous factors; Acoustic Stimulation; Acquired Cognitive Impairment; Aging; Alzheimer Disease; Alzheimer's Disease; Alzheimer's Disease including Alzheimer's Disease Related Dementias; Basic Behavioral and Social Science; Behavioral and Social Science; Biochemistry and Cell Biology; Brain; Brain Disorders; Clinical Research; Dementia; Feedback; Female; Humans; Male; Middle Aged; Neurodegenerative; Neurological; Neurosciences; Other Physical Sciences; Phonation; Pitch Perception; Rehabilitation; Sensory; Speech
URL: https://escholarship.org/uc/item/3170w5cs
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15
Neural correlates of abnormal auditory feedback processing during speech production in Alzheimer's disease.
In: Scientific reports, vol 9, iss 1 (2019)
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16
Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia.
In: JAMA neurology, vol 75, iss 3 (2018)
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17
Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia.
In: JAMA neurology, vol 75, iss 3 (2018)
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18
Longitudinal white matter change in frontotemporal dementia subtypes and sporadic late onset Alzheimer's disease.
Elahi, Fanny M; Marx, Gabe; Cobigo, Yann. - : eScholarship, University of California, 2017
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19
Longitudinal white matter change in frontotemporal dementia subtypes and sporadic late onset Alzheimer's disease.
Elahi, Fanny M; Marx, Gabe; Cobigo, Yann. - : eScholarship, University of California, 2017
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20
A neural network underlying intentional emotional facial expression in neurodegenerative disease.
Gola, Kelly A; Shany-Ur, Tal; Pressman, Peter. - : eScholarship, University of California, 2017
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