Khazar Ahmadi

National Institutes of Health — United States

Neuroscience · Life Sciences

12h-index372citations34works4.82yr avg
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Research Topics

Visual perception and processing mechanisms(16), Advanced Neuroimaging Techniques and Applications(13), Retinal Development and Disorders(10), Alzheimer's disease research and treatments(8), Functional Brain Connectivity Studies(8)

Publications34 total

Blood volume sensitive laminar fMRI with VASO in human hippocampus: Capabilities of clinical 7T and biophysical challenges
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition·2025
Hemispheric asymmetry of tau pathology is related to asymmetric amyloid deposition in Alzheimer’s Disease
Nature Communications·2025· 4 citedOpen Access
Blood volume sensitive laminar fMRI with VASO in human hippocampus: Capabilities and biophysical challenges at clinical 7T scanners
2025Open Access
Task-relevant cognitive maps in episodic memory
2025· 1 citedOpen Access
Hemispheric Asymmetry of Tau Pathology is Related to Asymmetric Amyloid Deposition in Alzheimer’s Disease
2025· 1 citedOpen Access
Fixel-based analysis reveals tau-related white matter changes in early stages of Alzheimer's disease
Journal of Neuroscience·2024· 23 citedOpen Access
Achromatopsia—Visual Cortex Stability and Plasticity in the Absence of Functional Cones
Investigative Ophthalmology & Visual Science·2023· 10 citedOpen Access
Tau accumulation is associated with fiber-specific white matter degeneration in Alzheimer's disease
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition·2023
Associations of CSF PDGFRβ With Aging, Blood-Brain Barrier Damage, Neuroinflammation, and Alzheimer Disease Pathologic Changes
Neurology·2023· 44 citedOpen Access
Fixel-based analysis reveals macrostructural white matter changes associated with tau pathology in early stages of Alzheimer’s disease
2023· 2 citedOpen Access
Gray matter hypoperfusion is a late pathological event in the course of Alzheimer’s disease
Journal of Cerebral Blood Flow & Metabolism·2022· 22 citedOpen Access
Structural changes to primary visual cortex in the congenital absence of cone input in achromatopsia
NeuroImage Clinical·2021· 20 citedOpen Access
Tau and synaptic biomarkers but not amyloid‐β are associated with cerebral perfusion in the Alzheimer’s disease spectrum
Alzheimer s & Dementia·2021
CHIASM, the human brain albinism and achiasma MRI dataset
Scientific Data·2021· 8 citedOpen Access
Structural Differences Across Multiple Visual Cortical Regions in the Absence of Cone Function in Congenital Achromatopsia
Frontiers in Neuroscience·2021· 12 citedOpen Access
Visual cortex stability and plasticity in the absence of functional cones in achromatopsia
Journal of Vision·2021· 1 citedOpen Access
Chiasmal malformations dataset: a unique neuroimaging testbed
Journal of Vision·2021Open Access
Anatomical changes to primary visual cortex in the congenital absence of cone input
Journal of Vision·2021Open Access
Structural changes to primary visual cortex in the congenital absence of cone input in achromatopsia
2021· 1 citedOpen Access
Cerebral hypoperfusion is a late pathological event in the course of Alzheimer's disease
2021· 4 citedOpen Access
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Frequent Co-authors

Michael B. Hoffmann(19), André Gouws(11), Antony B. Morland(10), Anne Herbik(10), Danielle van Westen(9), Oskar Hansson(9), Martin Kanowski(8), Irène Gottlob(8), Sebastian Palmqvist(7), Olof Strandberg(6), Joana B. Pereira(6), Barbara Molz(6), Noa Raz(6), Rebecca Lowndes(6), Susanne Kohl(6), Lars Choritz(6), John Maguire(6), Barbara Käsmann‐Kellner(6), Ilse Wieland(6), Eyal Banin(6)