Derek Flenniken
Programmer Analyst 4
Radiology
School of Medicine

Publications (28)

Top publication keywords:
Self ReportRegistriesOnline SystemsInternetClinical Trials as TopicBrainAspartic AcidCognitive DysfunctionMarketingAlzheimer DiseaseEpilepsy, Temporal LobeNeuroimagingPatient SelectionLongitudinal StudiesNeuropsychological Tests

• Evaluating the Accuracy of Web-Based and In-Clinic Subjective Cognitive Decline Assessments in Detecting Cognitive Impairment: Multicohort Study.
  Journal of medical Internet research 2025 Kang JM, Manjavong M, Diaz A, Ashford MT, Aaronson A, Eichenbaum J, Mackin S, Tank R, Miller MJ, Landavazo B, Cavallone E, Truran D, Camacho MR, Fockler J, Flenniken D, Farias ST, Weiner MW, Nosheny R
• Community-engaged efforts to increase retention of Black American online registry participants.
  Alzheimer's & dementia (New York, N. Y.) 2025 Ashford MT, Aaronson A, Zhu D, Deng X, Kannan S, Conti C, Alaniz R, Sorce J, Cypress C, Flenniken D, Camacho M, Fockler J, Truran D, Mackin RS, Hill C, Weiner MW, Byrd D, Turner RW, Cham H, Rivera …
• Self- and Informant-Report Cognitive Decline Discordance and Mild Cognitive Impairment Diagnosis.
  JAMA network open 2025 Aaronson A, Diaz A, Ashford MT, Jin C, Tank R, Miller MJ, Kang JM, Manjavong M, Landavazo B, Eichenbaum J, Truran D, Camacho MR, Fockler J, Flenniken D, Vannini P, Tomaszewski Farias S, Mackin RS, …
• Overview of Alzheimer's Disease Neuroimaging Initiative and future clinical trials.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2024 Weiner MW, Kanoria S, Miller MJ, Aisen PS, Beckett LA, Conti C, Diaz A, Flenniken D, Green RC, Harvey DJ, Jack CR, Jagust W, Lee EB, Morris JC, Nho K, Nosheny R, Okonkwo OC, Perrin RJ, Petersen RC, …
• The ADNI Administrative Core: Ensuring ADNI's success and informing future AD clinical trials.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2024 Nosheny RL, Miller M, Conti C, Flenniken D, Ashford M, Diaz A, Fockler J, Truran D, Kwang W, Kanoria S, Veitch D, Green RC, Weiner MW, Alzheimer's Disease Neuroimaging Initiative

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• The ADNI4 Digital Study: A novel approach to recruitment, screening, and assessment of participants for AD clinical research.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2024 Miller MJ, Diaz A, Conti C, Albala B, Flenniken D, Fockler J, Kwang W, Sacrey DT, Ashford MT, Skirrow C, Weston J, Fristed E, Farias ST, Korecka M, Wan Y, Aisen PS, Beckett L, Harvey D, Lee EB, …
• A Protocol for the Inclusion of Minoritized Persons in Alzheimer Disease Research From the ADNI3 Diversity Taskforce.
  JAMA network open 2024 Okonkwo OC, Rivera Mindt M, Ashford MT, Conti C, Strong J, Raman R, Donohue MC, Nosheny RL, Flenniken D, Miller MJ, Diaz A, Soto AM, Ances BM, Beigi MR, Doraiswamy PM, Duara R, Farlow MR, Grossman HT,…
• Participant completion of longitudinal assessments in an online cognitive aging registry: The role of medical conditions.
  Alzheimer's & dementia (New York, N. Y.) 2024 Ashford MT, Jin C, Neuhaus J, Diaz A, Aaronson A, Tank R, Eichenbaum J, Camacho MR, Fockler J, Ulbricht A, Flenniken D, Truran D, Mackin RS, Weiner MW, Mindt MR, Nosheny RL
• Brain Health Registry Study Partner Portal: Novel infrastructure for digital, dyadic data collection.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2023 Aaronson A, Ashford MT, Jin C, Bride J, Decker J, DeNicola A, Turner RW, Conti C, Tank R, Truran D, Camacho MR, Fockler J, Flenniken D, Ulbricht A, Grill JD, Rabinovici G, Carrillo MC, Mackin RS, …
• Evaluation of the Electronic Clinical Dementia Rating for Dementia Screening.
  JAMA network open 2023 Nosheny RL, Yen D, Howell T, Camacho M, Moulder K, Gummadi S, Bui C, Kannan S, Ashford MT, Knight K, Mayo C, McMillan M, Petersen RC, Stricker NH, Roberson ED, Chambless C, Gersteneker A, Martin R, …
• Brain health registry updates: An online longitudinal neuroscience platform.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2023 Weiner MW, Aaronson A, Eichenbaum J, Kwang W, Ashford MT, Gummadi S, Santhakumar J, Camacho MR, Flenniken D, Fockler J, Truran-Sacrey D, Ulbricht A, Mackin RS, Nosheny RL
• Digital culturally tailored marketing for enrolling Latino participants in a web-based registry: Baseline metrics from the Brain Health Registry.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2022 Ashford MT, Camacho MR, Jin C, Eichenbaum J, Ulbricht A, Alaniz R, Van De Mortel L, Sorce J, Aaronson A, Parmar S, Flenniken D, Fockler J, Truran D, Mackin RS, Rivera Mindt M, Morlett-Paredes A, …
• Remote blood collection from older adults in the Brain Health Registry for plasma biomarker and genetic analysis.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2022 Fockler J, Ashford MT, Eichenbaum J, Howell T, Ekanem A, Flenniken D, Happ A, Truran D, Mackin RS, Blennow K, Halperin E, Coppola G, Weiner MW, Nosheny RL
• Brain health registry GenePool study: A novel approach to online genetics research.
  Alzheimer's & dementia (New York, N. Y.) 2021 Fockler J, Kwang W, Ashford MT, Flenniken D, Hwang J, Truran D, Mackin RS, Jin C, O'Hara R, Hallmayer JF, Yesavage JA, Weiner MW, Nosheny RL
• Dutch Brain Research Registry for study participant recruitment: Design and first results.
  Alzheimer's & dementia (New York, N. Y.) 2021 Zwan MD, van der Flier WM, Cleutjens S, Schouten TC, Vermunt L, Jutten RJ, van Maurik IS, Sikkes SAM, Flenniken D, Howell T, Weiner MW, Scheltens P, Prins ND
• Validation of online functional measures in cognitively impaired older adults.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2020 Nosheny RL, Camacho MR, Jin C, Neuhaus J, Truran D, Flenniken D, Ashford M, Carrillo MC, Fargo KN, Hendrix J, Hanna L, Rabinovici G, Maruff P, Mackin RS, Weiner MW
• Effects of sex, race, ethnicity, and education on online aging research participation.
  Alzheimer's & dementia (New York, N. Y.) 2020 Ashford MT, Eichenbaum J, Williams T, Camacho MR, Fockler J, Ulbricht A, Flenniken D, Truran D, Mackin RS, Weiner MW, Nosheny RL
• Online study partner-reported cognitive decline in the Brain Health Registry.
  Alzheimer's & dementia (New York, N. Y.) 2018 Nosheny RL, Camacho MR, Insel PS, Flenniken D, Fockler J, Truran D, Finley S, Ulbricht A, Maruff P, Yaffe K, Mackin RS, Weiner MW
• Total Sleep Time Interacts With Age to Predict Cognitive Performance Among Adults.
  Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine 2018 Mohlenhoff BS, Insel PS, Mackin RS, Neylan TC, Flenniken D, Nosheny R, Richards A, Maruff P, Weiner MW
• Unsupervised online neuropsychological test performance for individuals with mild cognitive impairment and dementia: Results from the Brain Health Registry.
  Alzheimer's & dementia (Amsterdam, Netherlands) 2018 Mackin RS, Insel PS, Truran D, Finley S, Flenniken D, Nosheny R, Ulbright A, Comacho M, Bickford D, Harel B, Maruff P, Weiner MW
• The Brain Health Registry: An internet-based platform for recruitment, assessment, and longitudinal monitoring of participants for neuroscience studies.
  Alzheimer's & dementia : the journal of the Alzheimer's Association 2018 Weiner MW, Nosheny R, Camacho M, Truran-Sacrey D, Mackin RS, Flenniken D, Ulbricht A, Insel P, Finley S, Fockler J, Veitch D
• Heavy alcohol consumption in individuals with HIV infection: effects on neuropsychological performance.
  Journal of the International Neuropsychological Society : JINS 2005 Rothlind JC, Greenfield TM, Bruce AV, Meyerhoff DJ, Flenniken DL, Lindgren JA, Weiner MW
• Identification of the epileptogenic lobe in neocortical epilepsy with proton MR spectroscopic imaging.
  Epilepsia 2004 Mueller SG, D Laxer K, Barakos JA, Cashdollar N, Flenniken DL, Vermathen P, Matson GB, Weiner MW
• ERP evidence of impaired central nervous system function in virally suppressed HIV patients on antiretroviral therapy.
  Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2004 Chao LL, Lindgren JA, Flenniken DL, Weiner MW
• Identification of abnormal neuronal metabolism outside the seizure focus in temporal lobe epilepsy.
  Epilepsia 2004 Mueller SG, Laxer KD, Cashdollar N, Flenniken DL, Matson GB, Weiner MW
• Abnormal contingent negative variation in HIV patients receiving antiretroviral therapy.
  Neuroreport 2003 Chao LL, Cardenas VA, Meyerhoff DJ, Rothlind JC, Flenniken DL, Lindgren JA, Weiner MW
• Spectroscopic metabolic abnormalities in mTLE with and without MRI evidence for mesial temporal sclerosis using hippocampal short-TE MRSI.
  Epilepsia 2003 Mueller SG, Laxer KD, Suhy J, Lopez RC, Flenniken DL, Weiner MW
• Reduced extrahippocampal NAA in mesial temporal lobe epilepsy.
  Epilepsia 2002 Mueller SG, Suhy J, Laxer KD, Flenniken DL, Axelrad J, Capizzano AA, Weiner MW