Timothy M. Ellmore

Professor

(he/him/his)

Main Affiliation

Psychology

Additional Departments/Affiliated Programs

Colin Powell School for Civic and Global Leadership

Areas of Expertise/Research

  • Memory
  • fMRI
  • EEG
  • Language
  • Neuroimaging

Building

North Academic Center

Office

7/120

Phone

212-650-5714

Fax

212-650-5659

ellmore_hirespic

Timothy M. Ellmore

Profile

Dr. Ellmore earned his doctorate studying associative learning and memory retrieval in the Cognition and Neural Systems Program in the Department of Psychology at The University of Arizona. He then completed a postdoctoral fellowship studying language lateralization at the University of Texas Medical School at Houston, followed by an appointment as research assistant professor position there studying working memory using a combination of intracranial EEG and fMRI. He is now Professor of Psychology and head of the Memory and Cognition Lab at The City College of New York.

Education

Postdoctoral Fellowship
Department of Neurosurgery
The University of Texas Medical School at Houston


Ph.D., Psychology – Cognition and Neural Systems
The University of Arizona
Dissertation: The Speed of Associative Learning and Retrieval in Humans and Non-Human Primates
 

M.A., Psychology- Cognition and Neural Systems
The University of Arizona
 

B.A., Psychology
The George Washington University

Courses Taught

 

  • PSY 253 Cognitive Psychology
  • PSY 353 Seminar on Memory
  • PSY 301 Honors I Seminar 

Research Interests

Dr. Ellmore's research focus is the cognitive neuroscience of memory, with an emphasis on the interaction between working memory and long-term memory systems. His methodological approach in healthy subjects includes combining the techniques of functional and diffusion-weighted magnetic resonance imaging and electroencephalography. A component of his research is patient-based, and he has published studies of brain structure and function in epilepsy, Parkinson's disease, autism, sleep disorders, and stroke. Dr. Ellmore's research bridges basic and clinical approaches to understanding the neural substrates of memory.

Publications

Ellmore, T.M., Reichert Plaska, C., Ng, K., Mei, N. (2022) Visual Continuous Recognition Reveals Behavioral and Neural Differences for Short- and Long-Term Scene Memory. Frontiers in Behavioral Neuroscience, Sept 15, DOI: 10.3389/fnbeh.2022.958609, PMID: 36187377 PMCID: PMC9520405

Boren, S.B., Savitz, S.I., Ellmore, T.M., Arevalo, O.D., Aronowski, J., Silos, C., George, S., Haque, M.E. (2022) Longitudinal Resting-State fMRI Study: A Seed-Based Connectivity Biomarker in Patients with Ischemic and Intracerebral Hemorrhage Stroke, Brain Connectivity, published online Sept 13, https://doi.org/10.1089/brain.2022.0017 PMID: 36097789

Dominey, P.F., Ellmore, T.M., Ventre-Dominey J., (2022) Effects of Connectivity on Narrative Temporal Processing in Structured Reservoir Computing, 2022 International Joint Conference on Neural Networks (IJCNN), 2022, pp. 1-8, doi: 10.1109/IJCNN55064.2022.9891967

Reichert Plaska, C.,  Ortega, J., Gomes, B.A., Ellmore, T.M. (2022) Interhemispheric Connectivity Supports Load-Dependent Working Memory Maintenance for Complex Visual Stimuli. Brain Connectivity, June 1, doi: 10.1089/brain.2021.0171 PMID: 35473394

Ortega, J., Reichert Plaska, C., Gomes, B.A., Ellmore, T.M. (2022) Spontaneous Eye Blink Rate during the Working Memory Delay Period Predicts Task Accuracy. Frontiers in Psychology, 13:788231, doi: 10.3389/fpsyg.2022.788231 PMID: 35242077

Pena, D., Suescun, J. Schiess, M.C. Ellmore, T.M., Giancardo, L. and the Alzheimer's Disease Neuroimaging Initiative (2022) Towards a Multimodal Computer-Aided Diagnostic Tool for Alzheimer's Disease Conversion. Frontiers in Neuroscience, 15:744190, doi: 10.3389/fnins.2021.744190 PMID: 35046766

Plaska, C.R., Ng, K., Ellmore, T.M., (2021) Does rehearsal matter? Left anterior temporal alpha and theta band changes correlate with the beneficial effects of rehearsal on working memory. Neuropsychologia, vol. 155, 107825 https://doi.org/10.1016/j.neuropsychologia.2021.107825 PMID: 33713670

Schiess, M.C., Suescun, J., Doursout, M., Adams, C., Green, C., Saltarrelli, J.G., Savitz, S., Ellmore, T.M., (2021) Allogeneic bone marrow-derived mesenchymal stem cells safety in idiopathic Parkinson's disease, Movement Disorders, Mar 27, http://doi.org/10.1002/mds.28582 PMID: 33772873

Ellmore, T.M., Castriotta, R.J., Suescun, J., Schiess, M.C. (2020) A Study of the Relationship Between Uric Acid and Substantia Nigra Brain Connectivity in Patients with REM Sleep Behavior Disorder and Parkinson's Disease. Frontiers in Neurology, Aug 5; 11:815, doi: 10.3389/fneur.2020.00815 PMID: 32849245 PMCID: PMC7419698

Peña-Nogales, Ó., Ellmore, T.M., de Luis-García, R., Suescun, J., Schiess, M.C., Giancardo, L. (2019) Longitudinal Connectomes as a Candidate Progression Marker for Prodromal Parkinson's Disease. Frontiers in Neuroscience, Jan 9;12:967, doi: 10.3389/fnins.2018.00967 PMID: 30686966 PMCID: PMC6333847

Ellmore, T.M., Mackin, B., Ng, K. (2018) Saccades and Handedness Interact to Affect Scene Memory. PeerJ 6:e5969 https://doi.org/10.7717/peerj.5969 PMID: 30479908

Mei, N., Grossberg, M.D., Ng, K., Navarro, K.T., Ellmore, T.M. (2018) A high-density scalp EEG dataset acquired during brief naps after a visual working memory task. Data in Brief. 18C:1513-1519. https://doi.org/10.1016/j.dib.2018.04.073 PMID: 29904654

Jouen, A.L., Ellmore, T.M., Madden-Lombardi, C.J., Pallier, C., Dominey, P.F., Ventre-Dominey, J. (2018) Beyond the word and image: II- structural and functional connectivity of a common semantic system. Neuroimage 166:185-197. https://doi.org/10.1016/j.neuroimage.2017.10.039 PMID: 29066394

Ellmore, T.M., Ng, K., Reichert, C.P. (2017) Early and Late Components of EEG Delay Activity Correlate Differently with Scene Working Memory Performance. PLoS ONE 12(10):e0186072. https://doi.org/10.1371/journal.pone.0186072 PMID: 29016657

Mei, N., Grossberg, M.D., Ng, K., Navarro, K.T., Ellmore, T.M. (2017) Identifying sleep spindles with multichannel EEG and classification optimization. Computers in Biology and Medicine, Sept 1, 89:441-453, doi: 10.1016/j.compbiomed.2017.08.030 PMID: 28886481

Thome, A., Marrone, D.F., Ellmore, T.M., Chawla, M.K., Lipa, P., Ramirez-Amaya, V., Lisaby, S.H., McNaughton, B.L., Barnes, C.A. (2017) Evidence for an Evolutionarily Conserved Memory Coding Scheme in the Mammalian Hippocampus. The Journal of Neuroscience, Mar 8, 37(10):2795-2801, doi: https://doi.org/10.1523/JNEUROSCI.3057-16.2017 PMID: 28174334

Ellmore, T.M., Dominey, P.F., Magnotti, J.F. (2016) Editorial: The Temporal Dynamics of Cognitive Processing. Frontiers in Psychology 7:930. doi: 10.3389/fpsyg.2016.00930 PMID: 27445900

Suescun, J., Ellmore, T.M., Schiess, M. (2016) REM Sleep Behavior Disorder: A Prodromal Synucleinopathy. Current Geriatrics Reports. 5(2):95-102, doi: 10.1007/s13670-016-0174-9

Baeza-Loya, S., Velasquez, K.M., Molfese, D.L., Viswanath, H., Curtis, K.N., Thompson-Lake, D.G.Y., Baldwin, P.R., Ellmore, T.M., De La Garza, R., Salas, R. (2016) Anterior cingulum white matter is altered in tobacco smokers. The American Journal on Addictions, Apr;25(3):210-4, doi: 10.1111/ajad.12362 Epub 2016 Mar 22 PMID: 27001211

Ellmore, T.M., Feng, A., Ng K., Dewan L., Root, J.C. (2016) The effects of changing attention and context in an awake offline processing period on visual long-term memory. Frontiers in Psychology 6:1902. doi: 10.3389/psyg.2015.01902 PMID: 26779056

Root, J.C., Andreotti C., Tsu, L., Ellmore, T.M., Ahles, T. (2016) Learning and memory performance in breast cancer survivors 2 to 6 years post-treatment: the role of encoding versus forgetting. J Cancer Surviv. Jun; 10(3):593-9. doi: 10.1007/s11764-015-0505-4. Epub 2015 Dec 12. PMID: 26658913

Ellmore, T., Castriotta, R., Suescun, J., Schiess, M. (2015) Negative functional connectivity between substantia nigra and hippocampus in REM sleep behavior disorder. Sleep Medicine. 16(1), Dec 17, pp. S12-S13. doi:10.1016/j.sleep.2015.02.028

Jouen, A.L., Ellmore, T.M., Madden, C.J., Pallier, C., Dominey, P.F., Ventre-Dominey, J. (2015) Beyond the word and image: Characteristics of a common meaning system for language and vision revealed by functional and structural imaging. Neuroimage 106C:72-85. doi: 10.1016/j.neuroimage.2014.11.024 PMID: 25463475

Kalamangalam, G.P., Ellmore, T.M. (2014) Focal cortical thickness correlates of exceptional memory training in Vedic priests. Frontiers in Human Neuroscience, 8:833. doi: 10.3389/fnhum.2014.00833 PMID: 25368566

Ellmore, T.M., Murphy, S.M., Cruz, K., Castriotta, R.J., Schiess, M.C. (2014) Averaging of diffusion tensor imaging direction-encoded color maps for localizing substantia nigra. Computers in Biology and Medicine, May 17; 51C:104-110 PMID: 24905890

Li, H., Xue, Z., Ellmore, T.M., Frye, R.E., Wong, S.T.C. (2014) Network-based analysis reveals stronger local diffusion-based connectivity and different correlations with oral language skills in brains of children with high functioning autism spectrum disorders. Human Brain Mapping, Feb;35(2):396-413. doi:10.1002/hbm.22185 PMID: 23008187

Copeland, B.J., Fenoy, A., Ellmore, T.M., Liang, Q., Ephron, V., Schiess, M.C. (2014) Deep brain stimulation of the internal globus pallidus for generalized dystonia associated with spinocerebellar ataxia type 1: A case report. Neuromodulation, 17:389-392 PMID: 23815390

Ellmore, T.M., Castriotta, R.J., Hendley, K.L., Aalbers, B.M., Furr-Stimming, E., Hood, A.J., Suescun, J., Beurlot, M.R., Hendley, R.T., Schiess, M.C. (2013) Altered nigrostriatal and nigrocortical functional connectivity in REM sleep behavior disorder. SLEEP, 36(12):1885-92. http://dx.doi.org/10.5665/sleep.3222 PMID: 24293763

Ellmore, T.M., Rohlffs, F., Khursheed, F. (2013) fMRI of working memory impairment after recovery from subarachnoid hemorrhage. Frontiers in Neurology, Nov 6; 4:179. doi: 10.3389/fneur.2013.00179 PMID: 24223572

Passaro, A.D., Elmore, L.C., Ellmore, T.M., Leising, K., Papanicolaou, A.C., Wright, A.A. (2013) Explorations of object and location memory using fMRI. Frontiers in Behavioral Neuroscience, Aug 15; 7:105. doi: 10.3389/fnbeh.2013.00105 PMID: 23966916

Ellmore, T.M., Li, H., Xue, Z., Wong, S.T.C, Frye, R.E. (2013) Tract-based spatial statistics reveal altered relationship between non-verbal reasoning abilities and white matter integrity in autism spectrum disorder. Journal of the International Neuropsychological Society, 19:723-8. PMID: 23561717

Ro, T., Ellmore, T.M., Beauchamp, M.S. (2013) A neural link between feeling and hearing. Cerebral Cortex, 23(7):1724-30. PMID: 22693344

Harvey, D.Y., Wei, T., Ellmore, T.M., Hamilton, A.C, Schnur, T.T. (2013) Neuropsychological evidence for the functional role of the uncinate fasciculus in semantic control. Neuropsychologia, 51:789-801. PMID: 23395830

Ellmore, T.M., Tertel, K., Dias, N.R., Tandon, N. (2012) Mapping subcortical connectivity related to cortical gamma and theta oscillations. Signal Processing in Medicine and Biology Symposium. IEEE Xplore, doi: 10.1109/SPMB.2012.6469452

Kalamangalam, G.P., Nelson, J.T., Ellmore, T.M., Narayana, P.A. (2012) Oxygen-enhanced MRI in temporal lobe epilepsy: Diagnosis and lateralization. Epilepsy Research, 98(1):50-61. PMID: 21917423

Khursheed, F., Rohlffs, F., Suzuki, S., Kim, D.H., Ellmore, T.M. (2011) Artifact quantification and tractography from 3T MRI after placement of aneurysm clips in subarachnoid hemorrhage patients. BMC Medical Imaging 11:19. PMID: 21970560

Khursheed, F., Tandon, N., Tertel, K., Pieters, T.A., Disano, M.A., Ellmore, T.M. (2011) Frequency-specific electrocorticographic correlates of working memory delay period fMRI activity. Neuroimage, 56(3):1773-82. PMID: 21356314

Tertel, K., Tandon, N., Ellmore, T.M. (2011) Probing brain connectivity by combined analysis of diffusion MRI tractography and electrocorticography. Computers in Biology and Medicine, 41(12):1092-9. PMID: 21129738

Conner, C.R., Ellmore, T.M., Disano, M.A., Pieters, T.A., Potter, A.W., Tandon, N. (2011) Anatomic and electro-physiologic connectivity of the language system: A combined DTI-CCEP study. Computers in Biology and Medicine, 41(12):1100-9. PMID: 21851933

Conner, C.R., Ellmore, T.M., Pieters, T.A., Disano, M.A., Tandon, N. (2011) Variability of the relationship between electrophysiology and BOLD-fMRI across cortical regions in humans. Journal of Neuroscience, 31(36):12855-65. PMID: 21900564

Ellmore, T.M., Pieters, T.A., Tandon, N. (2011) Dissociation between diffusion MR tractography density and strength in epilepsy patients with hippocampal sclerosis. Epilepsy Research, 93: 197-203, PMID: 21168313

Ellmore, T.M., Hood A.J., Castriotta R., Stimming E.F., Bick R.J., Schiess M.C. (2010) Reduced volume of the putamen in REM Sleep Behavior Disorder patients. Parkinsonism and Related Disorders, 16(10):645-9. PMID: 20846895

Schiess, M.C., Barnes, J.L., Ellmore, T.M., Poindexter, B.J., Dinh, K., Bick, R.J. (2010) CSF from Parkinson disease patients differentially affects cultured microglia and astrocytes. BMC Neuroscience, 11:151. PMID: 21114836

Ellmore, T.M., Beauchamp, M.S., Breier, J.I, Slater, J.D., Kalamangalam, G.P., O'Neill, T., Disano M.A., Tandon, N. (2010) Temporal lobe white matter asymmetry and language laterality. Neuroimage 49(3) 2033-2044. PMID: 19874899

Swann, N., Tandon, N., Canolty, R., Ellmore, T.M., McEvoy, L., Dreyer, S., DiSano, M., Aron, A. (2009) Intracranial EEG reveals a time- and frequency-specific role for right inferior frontal gyrus and primary motor cortex in stopping initiated responses. Journal of Neuroscience 29(40):12675-12685. PMID: 19812342

Ellmore, T.M., Beauchamp, M.S., O'Neill, T.J., Dreyer, S., Tandon N. Relationships between essential cortical language sites and subcortical pathways. (2009) Journal of Neurosurgery 111(4):755-766. PMID: 19374498

Ellmore, T.M., Stouffer, K., Nadel, L. (2008) Divergence of explicit and implicit processing speed during associative memory retrieval. Brain Research 1229. PMID: 18655778

Ellmore, T.M., McNaughton, B.L. (2004) Human path integration by optic flow. Spatial Cognition and Computation, 4(3), 255-273. doi:10.1207/s15427633scc0403_3

Beauchamp, M. S., Petit, L., Ellmore, T. M., Ingeholm, J., & Haxby, J. V. (2001) A parametric fMRI study of overt and covert shifts of visuospatial attention. Neuroimage, 14(2), 310-321. PMID: 11467905

van Turennout, M., Ellmore, T., & Martin, A. (2000) Long-lasting cortical plasticity in the object naming system. Nature Neuroscience, 3(12), 1329-1334. PMID: 11100155

Ye, F. Q., Berman, K. F., Ellmore, T., Esposito, G., van Horn, J. D., Yang, Y., Duyn, J., Smith, A.M., Frank J.A., Weinberger, D.R., McLaughlin, A.C. (2000) H(2)(15)O PET validation of steady-state arterial spin tagging cerebral blood flow measurements in humans. Magnetic Resonance in Medicine, 44(3), 450-456. PMID: 10975898

Esposito, G., Kirkby, B. S., Van Horn, J. D., Ellmore, T. M., & Berman, K. F. (1999) Context-dependent, neural system-specific neurophysiological concomitants of ageing: mapping PET correlates during cognitive activation. Brain, 122 ( Pt 5), 963-979. PMID: 10355679

Alexander, C. B., Ellmore, T.M., Kokate, T. G., & Kirkby, R. D. (1998) Further studies on anti- and proconvulsant effects of inhibitors of nitric oxide synthase in rodents. European Journal of Pharmacology, 344(1), 15-25. PMID: 9570442

Van Horn, J. D., Ellmore, T.M., Esposito, G., & Berman, K. F. (1998) Mapping voxel-based statistical power on parametric images. Neuroimage, 7(2), 97-107. PMID: 9558642

Van Horn, J. D., Ellmore, T.M., Holt, J.L., Esposito, G., & Berman, K. F. (1998) Multifiltering signal detection and statistical power in brain activation studies, in Brain Activation Studies in Quantitative Functional Brain Imaging with Positron Emission Tomography. doi:10.1016/B978-012161340-2/50037-8