• 818 Citations
  • 16 h-Index
20022019
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Research Output 2002 2019

  • 818 Citations
  • 16 h-Index
  • 26 Article
  • 3 Review article
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Article
2019
1 Citation (Scopus)

Disruptions of the olfactory and default mode networks in Alzheimer's disease

Lu, J., Yang, Q. X., Zhang, H., Eslinger, P. J., Zhang, X., Wu, S., Zhang, B., Zhu, B. & Karunanayaka, P. R., Jul 2019, In : Brain and Behavior. 9, 7, e01296.

Research output: Contribution to journalArticle

Open Access
Alzheimer Disease
Smell
Dementia
Magnetic Resonance Imaging
Memory Disorders

Functional connectivity between the resting-state olfactory network and the hippocampus in Alzheimer’s disease

Lu, J., Testa, N., Jordan, R., Elyan, R., Kanekar, S., Wang, J., Eslinger, P., Yang, Q. X., Zhang, B. & Karunanayaka, P. R., Dec 2019, In : Brain Sciences. 9, 12, 338.

Research output: Contribution to journalArticle

Open Access
Hippocampus
Alzheimer Disease
Magnetic Resonance Imaging
Pathology
Neuropsychological Tests
2017
1 Citation (Scopus)

Age-related resting-state functional connectivity in the olfactory and trigeminal networks

Karunanayaka, P., Tobia, M. J. & Yang, Q. X., Jan 1 2017, In : Neuroreport. 28, 15, p. 943-948 6 p.

Research output: Contribution to journalArticle

Parahippocampal Gyrus
Gyrus Cinguli
Sample Size
Meta-Analysis
Seeds
12 Citations (Scopus)

Central Olfactory Dysfunction in Alzheimer's Disease and Mild Cognitive Impairment: A Functional MRI Study

Vasavada, M. M., Martinez, B., Wang, J., Eslinger, P. J., Gill, D. J., Sun, X., Karunanayaka, P. & Yang, Q. X., Jan 1 2017, In : Journal of Alzheimer's Disease. 59, 1, p. 359-368 10 p.

Research output: Contribution to journalArticle

Alzheimer Disease
Magnetic Resonance Imaging
Odorants
Cognitive Dysfunction
Lavandula
6 Citations (Scopus)

Default mode network deactivation during odor–visual association

Karunanayaka, P. R., Wilson, D. A., Tobia, M. J., Martinez, B. E., Meadowcroft, M. D., Eslinger, P. J. & Yang, Q. X., Mar 1 2017, In : Human Brain Mapping. 38, 3, p. 1125-1139 15 p.

Research output: Contribution to journalArticle

Cues
Magnetic Resonance Imaging
Photic Stimulation
Brain
Odorants
4 Citations (Scopus)

Different patterns of age-related central olfactory decline in men and women as quantified by olfactory fMRI

Martinez, B., Karunanayaka, P., Wang, J., Tobia, M. J., Vasavada, M., Eslinger, P. J. & Yang, Q. X., Jan 1 2017, In : Oncotarget. 8, 45, p. 79212-79222 11 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Healthy Volunteers
Quality of Life
Safety
Odorants
2 Citations (Scopus)
Peripheral Arterial Disease
Exercise
Muscles
Healthy Volunteers
Leg
3 Citations (Scopus)

Lexical-semantic search under different covert verbal fluency tasks: An fMRI study

Li, Y., Li, P., Yang, Q. X., Eslinger, P. J., Sica, C. T. & Karunanayaka, P., Aug 8 2017, In : Frontiers in Behavioral Neuroscience. 11, 131.

Research output: Contribution to journalArticle

Semantics
Cues
Language
Magnetic Resonance Imaging
Brain
2016
23 Citations (Scopus)

Default mode network differences between rigidity- and tremor-predominant Parkinson's disease

Karunanayaka, P. R., Lee, E. Y., Lewis, M. M., Sen, S., Eslinger, P. J., Yang, Q. X. & Huang, X., Aug 1 2016, In : Cortex. 81, p. 239-250 12 p.

Research output: Contribution to journalArticle

Tremor
Parkinson Disease
Parietal Lobe
Gyrus Cinguli
Hypokinesia
4 Citations (Scopus)

Intrinsic intranasal chemosensory brain networks shown by resting-state functional MRI

Tobia, M. J., Yang, Q. & Karunanayaka, P., Jan 1 2016, In : NeuroReport. 27, 7, p. 527-531 5 p.

Research output: Contribution to journalArticle

Prefrontal Cortex
Thalamus
Parahippocampal Gyrus
Magnetic Resonance Imaging
Brain
11 Citations (Scopus)

Muscle oxygenation during dynamic plantar flexion exercise: combining BOLD MRI with traditional physiological measurements

Muller, M. D., Li, Z., Sica, C. T., Luck, J. C., Gao, Z., Blaha, C. A., Cauffman, A. E., Ross, A. J., Winkler, N. J. R., Herr, M. D., Brandt, K., Wang, J., Gallagher, D. C., Karunanayaka, P., Vesek, J., Leuenberger, U. A., Yang, Q. X. & Sinoway, L. I., Oct 1 2016, In : Physiological reports. 4, 20, e13004.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Exercise
Oxygen
Muscles
Near-Infrared Spectroscopy
2015
42 Citations (Scopus)

Olfactory Cortex Degeneration in Alzheimer's Disease and Mild Cognitive Impairment

Vasavada, M. M., Wang, J., Eslinger, P., Gill, D. J., Sun, X., Karunanayaka, P. & Yang, Q., Jan 1 2015, In : Journal of Alzheimer's Disease. 45, 3, p. 947-958 12 p.

Research output: Contribution to journalArticle

Alzheimer Disease
Hippocampus
Magnetic Resonance Imaging
Olfactory Cortex
Cognitive Dysfunction
10 Citations (Scopus)

Rapidly acquired multisensory association in the olfactory cortex

Karunanayaka, P. R., Wilson, D. A., Vasavada, M., Wang, J., Martinez, B., Tobia, M. J., Kong, L., Eslinger, P. & Yang, Q. X., Nov 1 2015, In : Brain and Behavior. 5, 11, e00390.

Research output: Contribution to journalArticle

Cues
Learning
Odorants
Olfactory Cortex
Oxygen
2014
26 Citations (Scopus)

Networks involved in olfaction and their dynamics using independent component analysis and unified structural equation modeling

Karunanayaka, P., Eslinger, P. J., Wang, J. L., Weitekamp, C. W., Molitoris, S., Gates, K. M., Molenaar, P. C. M. & Yang, Q. X., May 2014, In : Human Brain Mapping. 35, 5, p. 2055-2072 18 p.

Research output: Contribution to journalArticle

Smell
Prefrontal Cortex
Magnetic Resonance Imaging
Gyrus Cinguli
Multivariate Analysis
2013
19 Citations (Scopus)

BOLD fMRI in infants under sedation: Comparing the impact of pentobarbital and propofol on auditory and language activation

Di Francesco, M. W., Robertson, S. A., Karunanayaka, P. & Holland, S. K., Nov 1 2013, In : Journal of Magnetic Resonance Imaging. 38, 5, p. 1184-1195 12 p.

Research output: Contribution to journalArticle

Propofol
Pentobarbital
Language
Magnetic Resonance Imaging
Hypnotics and Sedatives
2011
17 Citations (Scopus)

A linear structural equation model for covert verb generation based on independent component analysis of fMRI data from children and adolescents

Karunanayaka, P., Schmithorst, V. J., Vannest, J., Szaflarski, J. P., Plante, E. & Holland, S. K., Jun 1 2011, In : Frontiers in Systems Neuroscience. JUNE 2011, 29.

Research output: Contribution to journalArticle

Structural Models
Language
Magnetic Resonance Imaging
Aptitude
Brain
4 Citations (Scopus)

A Spectral Graphical Model Approach for Learning Brain Connectivity Network of Children's Narrative Comprehension

Lin, X., Meng, X., Karunanayaka, P. & Holland, S. K., Dec 1 2011, In : Brain Connectivity. 1, 5, p. 389-400 12 p.

Research output: Contribution to journalArticle

Learning
Brain
Magnetic Resonance Imaging
Age Groups
53 Citations (Scopus)

Semantic association investigated with functional MRI and independent component analysis

Kim, K. K., Karunanayaka, P., Privitera, M. D., Holland, S. K. & Szaflarski, J. P., Apr 1 2011, In : Epilepsy and Behavior. 20, 4, p. 613-622 10 p.

Research output: Contribution to journalArticle

Parietal Lobe
Semantics
Magnetic Resonance Imaging
Prefrontal Cortex
Gyrus Cinguli
21 Citations (Scopus)

The effects of left or right hemispheric epilepsy on language networks investigated with semantic decision fMRI task and independent component analysis

Karunanayaka, P., Kim, K. K., Holland, S. K. & Szaflarski, J. P., Apr 1 2011, In : Epilepsy and Behavior. 20, 4, p. 623-632 10 p.

Research output: Contribution to journalArticle

Semantics
Epilepsy
Language
Magnetic Resonance Imaging
Cognition
2010
42 Citations (Scopus)

A group independent component analysis of covert verb generation in children: A functional magnetic resonance imaging study

Karunanayaka, P., Schmithorst, V. J., Vannest, J., Szaflarski, J. P., Plante, E. & Holland, S. K., May 1 2010, In : NeuroImage. 51, 1, p. 472-487 16 p.

Research output: Contribution to journalArticle

Parietal Lobe
Prefrontal Cortex
Magnetic Resonance Imaging
Language
Temporal Lobe
12 Citations (Scopus)

FMRI activation in language areas correlates with verb generation performance in children

Vannest, J., Rasmussen, J., Eaton, K. P., Patel, K., Schmithorst, V., Karunanayaka, P., Plante, E., Byars, A. & Holland, S., Dec 1 2010, In : Neuropediatrics. 41, 5, p. 235-239 5 p.

Research output: Contribution to journalArticle

Language
Magnetic Resonance Imaging
Task Performance and Analysis
Temporal Lobe
Artifacts
2009
59 Citations (Scopus)

Comparison of fMRI data from passive listening and active-response story processing tasks in children

Vannest, J. J., Karunanayaka, P. R., Altaye, M., Schmithorst, V. J., Plante, E. M., Eaton, K. J., Rasmussen, J. M. & Holland, S. K., Apr 1 2009, In : Journal of Magnetic Resonance Imaging. 29, 4, p. 971-976 6 p.

Research output: Contribution to journalArticle

Gyrus Cinguli
Magnetic Resonance Imaging
Prefrontal Cortex
Auditory Cortex
Temporal Lobe
2008
29 Citations (Scopus)

Long-term neural processing of attention following early childhood traumatic brain injury: FMRI and neurobehavioral outcomes

Kramer, M. E., Chiu, C. Y. P., Walz, N. C., Holland, S. K., Yuan, W., Karunanayaka, P. & Wade, S. L., May 2008, In : Journal of the International Neuropsychological Society. 14, 3, p. 424-435 12 p.

Research output: Contribution to journalArticle

Wounds and Injuries
Task Performance and Analysis
Orthopedics
Brain
Parietal Lobe
2007
97 Citations (Scopus)

Age-related connectivity changes in fMRI data from children listening to stories

Karunanayaka, P. R., Holland, S. K., Schmithorst, V. J., Solodkin, A., Chen, E. E., Szaflarski, J. P. & Plante, E., Jan 1 2007, In : NeuroImage. 34, 1, p. 349-360 12 p.

Research output: Contribution to journalArticle

Parietal Lobe
Magnetic Resonance Imaging
Brain
Neuronal Plasticity
Temporal Lobe
85 Citations (Scopus)

Diffusion tensor MR imaging reveals persistent white matter alteration after traumatic brain injury experienced during early childhood

Yuan, W., Holland, S. K., Schmithorst, V. J., Walz, N. C., Cecil, K. M., Jones, B. V., Karunanayaka, P., Michaud, L. & Wade, S. L., Nov 1 2007, In : American Journal of Neuroradiology. 28, 10, p. 1919-1925 7 p.

Research output: Contribution to journalArticle

Diffusion Tensor Imaging
Anisotropy
Wounds and Injuries
Internal Capsule
Glasgow Coma Scale
28 Citations (Scopus)

Neural substrate differences in language networks and associated language-related behavioral impairments in children with TBI: A preliminary fMRI investigation

Karunanayaka, P. R., Holland, S. K., Yuan, W., Altaye, M., Jones, B. V., Michaud, L. J., Walz, N. C. & Wade, S. L., Dec 1 2007, In : NeuroRehabilitation. 22, 5, p. 355-369 15 p.

Research output: Contribution to journalArticle

Language
Magnetic Resonance Imaging
Orthopedics
Glasgow Coma Scale
Neuropsychological Tests