Roontiva, A.: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Brain glucose and acetoacetate metabolism: a comparison of young and older adults

Nugent, Scott, Tremblay, Sebastien, Chen, Kewei W., Ayutyanont, Napatkamon, Roontiva, Auttawut, Castellano, Christian-Alexandre, Fortier, Melanie, Roy, Maggie, Courchesne-Loyer, Alexandre, Bocti, Chri

Journal:

Neurobiology of Aging

Year:

2014

Language:

english

File:

PDF, 1.47 MB

english, 2014

2

Florbetapir PET, FDG PET, and MRI in Down syndrome individuals with and without Alzheimer's dementia

Sabbagh, Marwan N., Chen, Kewei, Rogers, Joseph, Fleisher, Adam S., Liebsack, Carolyn, Bandy, Dan, Belden, Christine, Protas, Hillary, Thiyyagura, Pradeep, Liu, Xiaofen, Roontiva, Auttawut, Luo, Ji, J

Journal:

Alzheimer's & Dementia

Year:

2015

Language:

english

File:

PDF, 2.73 MB

english, 2015

3

Toward Development of Adaptive Service-Based Software Systems

Yau, S.S., Nong Ye, Sarjoughian, H.S., Dazhi Huang, Roontiva, A., Baydogan, M., Muqsith, M.A.

Journal:

IEEE Transactions on Services Computing

Year:

2009

Language:

english

File:

PDF, 1.34 MB

english, 2009

4

Association Between an Alzheimer's Disease-Related Hypometabolic Convergence Index in Cognitively Normal Late-Middle-Aged People and Three Levels of Genetic Risk for Late-Onset Alzheimer's Disease

Adam S. Fleisher, Kewei Chen, Napatkamon Ayutyanont, Auttawut Roontiva, Jessica B.S. Langbaum, Wendy Lee, Xiaofen Liu, Dan Bandy, Stephanie Reeder, Gene E. Alexander, Richard J. Caselli, Eric M. Reima

Journal:

Alzheimer's & Dementia

Year:

2010

Language:

english

File:

PDF, 225 KB

english, 2010

5

APOE E4 effects on florbetapir F18 PET in Alzheimer's disease, mild cognitive impairment and normal aging

Adam Fleisher, Kewei Chen, Auttawut Roontiva, Pradeep Thiyyagura, Xiaofen Liu, Christopher Clark, Mark Mintun, Michael Pontecorvo, P. Doraiswamy, Keith Johnson, Daniel Skrovonsky, Eric Reiman

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 358 KB

english, 2011

6

Reduced regional gray matter in cognitively normal young adults at genetic risk for early-onset Alzheimer's disease

Adam Fleisher, Yakeel Quiroz, Kewei Chen, Jessica Langbaum, Pradeep Thiyyagura, Xiaofen Liu, Wendy Lee, Auttawut Roontiva, Adriana Ruiz, Pierre Tariot, Francisco Lopera, Eric Reiman

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 234 KB

english, 2011

7

Use of an fdg-pet-derived hypometabolic convergence index enrichment strategy to reduce sample sizes in alzheimer's disease clinical trials: Findings from the Alzheimer's Disease Neuroimaging Initiative (ADNI)

Napatkamon Ayutyanont, Kewei Chen, Auttawut Roontiva, Adam Fleisher, Jessica Langbaum, Cole Reschke, Wendy Lee, Xiaofen Liu, Dan Bandy, Gene Alexander, Norman Foster, Danielle Harvey, Michael Weiner,

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 53 KB

english, 2011

8

APOE ε4 effects on florbetapir F18 PET in Alzheimer's disease, mild cognitive impairment and normal aging

Adam Fleisher, Kewei Chen, Auttawut Roontiva, Pradeep Thiyyagura, Xiaofen Liu, Christopher Clark, Mark Mintun, Michael Pontecorvo, P Doraiswamy, Keith Johnson, Daniel Skrovonsky, Eric Reiman

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 55 KB

english, 2011

9

Reduced regional gray matter in cognitively normal young adults at genetic risk for early-onset Alzheimer's disease

Adam Fleisher, Yakeel Quiroz, Kewei Chen, Jessica Langbaum, Pradeep Thiyyagura, Xiaofen Liu, Wendy Lee, Auttawut Roontiva, Adriana Ruiz, Pierre Tariot, Francisco Lopera, Eric Reiman

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 55 KB

english, 2011

10

Capitalizing on complementary FDG-PET and florbetapir-PET data sets to distinguish between early and late mild cognitive impairment using multimodal partial least squares

Hillary Protas, Kewei Chen, Cole Reschke, Auttawut Roontiva, Wendy Lee, Mark Nishimura, Napatkamon Ayutyanont, Xiaofen Liu, Pradeep Thiyyagura, Stephanie Parks, Robert Koeppe, William Jagust, Norman F

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 164 KB

english, 2012

11

Amyloid PET imaging using AZD4694 and unusually brief radiotracer uptake and scanning periods

Kewei Chen, Jessica Langbaum, Adam Fleisher, Auttawut Roontiva, Xiaofen Liu, Pradeep Thiyyagura, Dan Bandy, Nicole Richter, Laura Jakimovich, Anita Prouty, Zsolt Cselenyi, Lars Farde, Samantha Budd, E

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 129 KB

english, 2012

12

Amyloid PET imaging using AZD4694 and unusually brief radiotracer uptake and scanning periods

Kewei Chen, Jessica B. Langbaum, Adam S. Fleisher, Auttawut Roontiva, Xiaofen Liu, Pradeep Thiyyagura, Dan Bandy, Nicole Richter, Laura Jakimovich, Anita Prouty, Zsolt Cselenyi, Lars Farde, Samantha B

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 53 KB

english, 2012

13

Age-associated trajectories of biomarkers in early-onset Alzheimer's disease, for the Alzheimer's Prevention Initiative

Kewei Chen, Yakeel Quiroz, Laura Jakimovich, Madelyn Gutierrez, Jessica Langbaum, Auttawut Roontiva, Pradeep Thiyyagura, Xiaofen Liu, Wendy Lee, Napatkamon Ayutyanont, Mark Nishimura, Stephanie Parks,

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 123 KB

english, 2012

14

Trajectory of age-associated structural changes in early-onset Alzheimer's disease, for the Alzheimer's Prevention Initiative

Adam Fleisher, Yakeel Quiroz, Kewei Chen, Laura Jakimovich, Madelyn Gutierrez, Jessica Langbaum, Auttawut Roontiva, Pradeep Thiyyagura, Xiaofen Liu, Wendy Lee, Napatkamon Ayutyanont, Mark Nishimura, S

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 69 KB

english, 2012

15

Amyloid PET imaging using AZD4694 and unusually brief radiotracer uptake and scanning periods

Kewei Chen, Jessica Langbaum, Adam Fleisher, Auttawut Roontiva, Xiaofen Liu, Pradeep Thiyyagura, Dan Bandy, Nicole Richter, Laura Jakimovich, Anita Prouty, Zsolt Cselenyi, Lars Farde, Samantha Budd, E

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 119 KB

english, 2012

16

Impact of different PET image quantification methods, regions-of-interest and risk factors on the power to detect a slowing in beta-amyloid deposition in presymptomatic Alzheimer's disease trials

Xiaofen Liu, Kewei Chen, Adam Fleisher, Auttawut Roontiva, Wendy Lee, Jacquelin Esque, Pradeep Thiyyagura, Dan Bandy, Richard Caselli, Eric Reiman

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 76 KB

english, 2012

17

Capitalizing on complementary FDG PET and florbetapir PET data sets to distinguish between early and late mild cognitive impairment using multi-modal partial least squares

Hillary Protas, Kewei Chen, Cole Reschke, Auttawut Roontiva, Wendy Lee, Mark Nishimura, Napatkamon Ayutyanont, Xiaofen Liu, Pradeep Thiyyagura, Stephanie Parks, Robert Koeppe, William Jagust, Norman F

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 51 KB

english, 2012

18

Apolipoprotein E ε4 and age effects on florbetapir positron emission tomography in healthy aging and Alzheimer disease

Adam S. Fleisher, Kewei Chen, Xiaofen Liu, Napatkamon Ayutyanont, Auttawut Roontiva, Pradeep Thiyyagura, Hillary Protas, Abhinay D. Joshi, Marwan Sabbagh, Carl H. Sadowsky, Reisa A. Sperling, Christop

Journal:

Neurobiology of Aging

Year:

2013

Language:

english

File:

PDF, 2.02 MB

english, 2013

19

Florbetapir PET analysis of amyloid-β deposition in the presenilin 1 E280A autosomal dominant Alzheimer's disease kindred: a cross-sectional study

Adam S Fleisher, Kewei Chen, Yakeel T Quiroz, Laura J Jakimovich, Madelyn Gutierrez Gomez, Carolyn M Langois, Jessica BS Langbaum, Napatkamon Ayutyanont, Auttawut Roontiva, Pradeep Thiyyagura, Wendy L

Journal:

The Lancet Neurology

Year:

2012

Language:

english

File:

PDF, 965 KB

english, 2012

20

Genetic Susceptibility for Alzheimer Disease Neuritic Plaque Pathology

Shulman, Joshua M., Chen, Kewei, Keenan, Brendan T., Chibnik, Lori B., Fleisher, Adam, Thiyyagura, Pradeep, Roontiva, Auttawut, McCabe, Cristin, Patsopoulos, Nikolaos A., Corneveaux, Jason J., Yu, Lei

Journal:

Year:

2013

Language:

english

File:

PDF, 320 KB

english, 2013

21

Brain Differences in Infants at Differential Genetic Risk for Late-Onset Alzheimer Disease

Dean, Douglas C., Jerskey, Beth A., Chen, Kewei, Protas, Hillary, Thiyyagura, Pradeep, Roontiva, Auttawat, O'Muircheartaigh, Jonathan, Dirks, Holly, Waskiewicz, Nicole, Lehman, Katie, Siniard, Ashley

Journal:

Year:

2014

Language:

english

File:

PDF, 603 KB

english, 2014

22

Clinical and multimodal biomarker correlates of ADNI neuropathological findings

Toledo, Jon B, Cairns, Nigel J, Da, Xiao, Chen, Kewei, Carter, Deborah, Fleisher, Adam, Householder, Erin, Ayutyanont, Napatkamon, Roontiva, Auttawut, Bauer, Robert J, Eisen, Paul, Shaw, Leslie M, Dav

Journal:

Acta Neuropathologica Communications

Year:

2013

Language:

english

File:

PDF, 1.44 MB

english, 2013

23

Pre-symptomatic functional brain changes in PS1 E280A mutation carriers compared with other biomarkers: Pilot data from the Alzheimer's Prevention Initiative Biomarker project

Fleisher, Adam, Chen, Kewei, Quiroz, Yakeel, Laura Jakimovich,, Gutierrez, Madelyn, Langbaum, Jessica, Roontiva, Auttawut, Thiyyagura, Pradeep, Luo, Ji, Liu, Xiaofen, Lee, Wendy, Ayutyanont, Napatkam

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 53 KB

english, 2013

24

The pattern of cerebral hypometabolism and its association with clinical ratings in cognitively normal older adults with and without significant fibrillar amyloid burden: Findings from the Alzheimer's Disease Neuroimaging Initiative

Protas, Hillary, Chen, Kewei, Reschke, Cole, Roontiva, Auttawut, Liu, Xiaofen, Parks, Stephanie, Lee, Wendy, Bauer, Robert, Ayutyanont, Napatkamon, Thiyyagura, Pradeep, Koeppe, Robert, Jagust, William

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 324 KB

english, 2013

25

Independent and epistatic effects of Val66Met BDNF and ApoE polymorphisms on BETA-AMYLOID deposition in cognitively normal individuals using PiB-PET imaging

During, Emmanuel, Elahi, Fanny, Chen, Kewei, Huentelman, Matthew, Corneveaux, Jason, Thiyyagura, Pradeep, Liu, Xiaofen, Roontiva, Auttawut, Caselli, Richard, Fleisher, Adam, Lu, Bai, Reiman, Eric

Journal:

Alzheimer's & Dementia

Year:

2012

Language:

english

File:

PDF, 83 KB

english, 2012

26

Baseline FDG-PET and volumetric MRI predicts Alzheimer's disease conversion from mild cognitive impairment: An ADNI study

Chen, Kewei, Stonnington, Cynthia, Ayutyanont, Napatkamon, Reschke, Cole, Thyyagura, Pradeep, Protas, Hillary, Liu, Xiaofen, Roontiva, Auttawut, Parks, Stephanie, Bauer III, Robert, Lee, Wendy, Koeppe

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 53 KB

english, 2013

27

Subjective cognitive decline: Self and informant comparisons

Caselli, Richard J., Chen, Kewei, Locke, Dona E.C., Lee, Wendy, Roontiva, Auttawut, Bandy, Dan, Fleisher, Adam S., Reiman, Eric M.

Journal:

Alzheimer's & Dementia

Year:

2014

Language:

english

File:

PDF, 240 KB

english, 2014

28

Association between the Alzheimer's disease–related hypometabolic convergence index and clinical ratings in cognitively normal older adults with and without significant fibrillar amyloid burden: Findings from the Alzheimer's Disease Neuroimaging Initiative

Roontiva, Auttawut, Chen, Kewei, Ayutyanont, Napatkamon, Protas, Hillary, Liu, Xiaofen, Thiyyagura, Pradeep, Lee, Wendy, Reschke, Cole, Parks, Stephanie, Bauer, Robert, Koeppe, Robert, Jagust, William

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 51 KB

english, 2013

29

Association between the Alzheimer's disease-related hypometabolic convergence index and clinical ratings in cognitively normal older adults with and without significant fibrillar amyloid burden: Findings from the Alzheimer's Disease Neuroimaging Initiative

Roontiva, Auttawut, Chen, Kewei, Ayutyanont, Napatkamon, Protas, Hillary, Liu, Xiaofen, Thiyyagura, Pradeep, Lee, Wendy, Reschke, Cole, Parks, Stephanie, Bauer, Robert, Koeppe, Robert, Jagust, William

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 205 KB

english, 2013

30

Pre-symptomatic functional brain changes in PS1 E280A mutation carriers compared to other biomarkers: Pilot data from the Alzheimer's Prevention Initiative Biomarker project

Fleisher, Adam, Chen, Kewei, Quiroz, Yakeel, Jakimovich, Laura, Gutierrez, Madelyn, Langbaum, Jessica, Roontiva, Auttawut, Thiyyagura, Pradeep, Luo, Ji, Liu, Xiaofen, Lee, Wendy, Ayutyanont, Napatkamo

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 146 KB

english, 2013

31

Use of an FDG-PET derived hypometabolic convergence index enrichment strategy to reduce sample sizes in Alzheimer's disease clinical trials: findings from the Alzheimer's Disease Neuroimaging Initiative (ADNI)

Ayutyanont, Napatkamon, Chen, Kewei, Roontiva, Auttawut, Fleisher, Adam, Langbaum, Jessica, Reschke, Cole, Lee, Wendy, Liu, Xiaofen, Bandy, Dan, Alexander, Gene, Foster, Norman, Harvey, Danielle, Wein

Journal:

Alzheimer's & Dementia

Year:

2011

Language:

english

File:

PDF, 73 KB

english, 2011

32

The pattern of cerebral hypometabolism and its association with clinical ratings in cognitively normal older adults with and without significant fibrillar amyloid burden: Findings from the Alzheimer's Disease Neuroimaging Initiative

Protas, Hillary, Chen, Kewei, Reschke, Cole, Roontiva, Auttawut, Liu, Xiaofen, Parks, Stephanie, Lee, Wendy, Bauer, Robert, Ayutyanont, Napatkamon, Thiyyagura, Pradeep, Koeppe, Robert, Jagust, William

Journal:

Alzheimer's & Dementia

Year:

2013

Language:

english

File:

PDF, 168 KB

english, 2013

33

Fibrillar amyloid correlates of preclinical cognitive decline

Stonnington, Cynthia M., Chen, Kewei, Lee, Wendy, Locke, Dona E.C., Dueck, Amylou C., Liu, Xiaofen, Roontiva, Auttawut, Fleisher, Adam S., Caselli, Richard J., Reiman, Eric M.

Journal:

Alzheimer's & Dementia

Year:

2014

Language:

english

File:

PDF, 796 KB

english, 2014

34

[IEEE 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Vancouver, BC (2008.08.20-2008.08.25)] 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - A cluster analysis of neuronal activity in the dorsal premotor cortical area for neuroprosthetic control

Ye, N., Roontiva, A., He, J.

Year:

2008

Language:

english

File:

PDF, 279 KB

english, 2008

35

[IEEE 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Vancouver, BC (2008.08.20-2008.08.25)] 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Two-way ANOVA to identify impacts of multiple interactive behavioral factors on the neuronal population dependency during the reaching motion

Zhang, H., Ye, N., He, J., Roontiva, A., Aguayo, J.

Year:

2008

Language:

english

File:

PDF, 253 KB

english, 2008

36

Associations Between Biomarkers and Age in the Presenilin 1 E280A Autosomal Dominant Alzheimer Disease Kindred

Fleisher, Adam S., Chen, Kewei, Quiroz, Yakeel T., Jakimovich, Laura J., Gutierrez Gomez, Madelyn, Langois, Carolyn M., Langbaum, Jessica B. S., Roontiva, Auttawut, Thiyyagura, Pradeep, Lee, Wendy, Ay

Journal:

Year:

2015

Language:

english

File:

PDF, 417 KB

english, 2015

37

Improved Power for Characterizing Longitudinal Amyloid- PET Changes and Evaluating Amyloid-Modifying Treatments with a Cerebral White Matter Reference Region

Chen, K., Roontiva, A., Thiyyagura, P., Lee, W., Liu, X., Ayutyanont, N., Protas, H., Luo, J. L., Bauer, R., Reschke, C., Bandy, D., Koeppe, R. A., Fleisher, A. S., Caselli, R. J., Landau, S., Jagust,

Journal:

Journal of Nuclear Medicine

Year:

2015

Language:

english

File:

PDF, 726 KB

english, 2015

38

Relationships between baseline biomarkers and subsequent cognitive decline in cognitively unimpaired PSEN1 E280A mutation carriers from the colombian kindred with autosomal dominant Alzheimer’s disease

Quiroz, Yakeel T., Protas, Hillary, Chen, Kewei, Roontiva, Auttawut, Thiyyagura, Pradeep, Fagan, Anne M., Shah, Aarti, Gutierrez, Madelyn, Londono, Marisol, Giraldo, Margarita, Munoz, Claudia, Tirado,

Journal:

Alzheimer's & Dementia

Year:

2015

Language:

english

File:

PDF, 48 KB

english, 2015

39

IMPROVING THE POWER TO TRACK FIBRILLAR AMYLOID PET MEASUREMENTS AND EVALUATE AMYLOID-MODIFYING TREATMENTS USING A CEREBRAL WHITE MATTER REFERENCE REGION-OF-INTEREST

Chen, Kewei, Roontiva, Auttawut, Thiyyagura, Pradeep, Lee, Wendy, Liu, Xiaofen, Ayutyanont, Napatkamon, Protas, Hillary, Landau, Susan, Luo, Ji, Bauer, Robert, Reschke, Cole, Bandy, Dan, Koeppe, Rober

Journal:

Alzheimer's & Dementia

Year:

2014

Language:

english

File:

PDF, 254 KB

english, 2014

40

Reduced default network functional connectivity and verbal learning in cognitively unimpaired late middle-aged and older adults: Exploratory findings from the arizona ApoE cohort study

Beck, Irene R., Chen, Kewei, Roontiva, Auttawut, Wroolie, Tonita Emily, Bauer, Robert, Dunbar, Cole, Peshkin, Eric, Bandy, Dan, Rasgon, Nathalie, Caselli, Richard J., Reiman, Eric M.

Journal:

Alzheimer's & Dementia

Year:

2015

Language:

english

File:

PDF, 52 KB

english, 2015

41

Added value and limitations of amyloid-PET imaging: review and analysis of selected cases of mild cognitive impairment and dementia

Weidman, David A., Zamrini, Edward, Sabbagh, Marwan N., Jacobson, Sandra, Burke, Anna, Belden, Christine, Powell, Jessica, Bhalla, Nidhi, Roontiva, Auttawut, Kuang, Xiaoying, Luo, Ji, Chen, Kewei, Rig

Journal:

Year:

2017

Language:

english

File:

PDF, 1.12 MB

english, 2017

42

154 Fluid Resuscitation of Septic Patients at Risk for Fluid Overload

Akhter, M., Hallare, M., Roontiva, A., Stowell, J.

Journal:

Annals of Emergency Medicine

Year:

2017

Language:

english

File:

PDF, 438 KB

english, 2017

43

Association between an Alzheimer’s Disease-Related Index and APOE ε4 Gene Dose

Schraml, Frank, Chen, Kewei, Ayutyanont, Napatkamon, Auttawut, Roontiva, Langbaum, Jessica B. S., Lee, Wendy, Liu, Xiaofen, Bandy, Dan, Reeder, Stephanie Q., Alexander, Gene E., Caselli, Richard J., F

Journal:

Year:

2013

Language:

english

File:

PDF, 232 KB

english, 2013

44

Models of dynamic relations among service activities, system state and service quality on computer and network systems

Ye, Nong, Yau, Steve, Huang, Dazhi, Baydogan, Mustafa, Aranda, Billibaldo M., Roontiva, Auttawut, Hurley, Patrick

Journal:

Information Knowledge Systems Management

Year:

2010

File:

PDF, 655 KB

2010