Timothy Roberts

Timothy Roberts

Professor of Radiology

What is the neural basis of language acquisition and impairment ?

Professor Timothy Roberts is a radiologist who studies language processing in population with language impairments..

Some of the fundamental questions that Professor Roberts is interested in include:

  • Can we describe the spectro-spatio-temporal brain activity that underlies language processing ?
  • Can we find evidence for neural anomalies in language circuitry in disorders such as autism spectrum disorder ?
  • Can we modify the auditory stream to facilitate brain processing activity and restore language abilities ?
  • Are there neural sequelae in the auditory and language systems of specific genetic/genomic alterations in humans ?

Professor Roberts has primarily investigated these questions have been addressed through the neuroimaging technology of magnetoencephalography (MEG) at the Children’s Hospital of Philadelphia (Lurie Family Foundations MEG Imaging Center). Fruitful collaborations with Prof. David Embick (chair, Linguistics) have focused on neural signatures of lexical access and priming (both repetition and semantic) and their behavioral sequelae in typical development and in ASD.

Prof. Roberts has published several hundred manuscripts and received multiple federal (NIH, DoD) research grants in these areas. He has been recognized as a Distinguished Investigator by the Academy of Radiology Research and holds the Oberkircher Family Chair in Pediatric Radiology at CHOP.

Timothy Roberts

Timothy Roberts

Professor of Radiology

Selected Publications

Roberts TP, Khan SY, Rey M, Monroe J, Cannon K, Blaskey L, Woldoff S, Qasmieh S, Gandal M, Schmidt G, Zarnow DM, Levy SE, Edgar JC; MEG detection of delayed auditory evoked responses in autism spectrum disorders: Towards an imaging biomarker for autism. Autism Res. (2010) 3(1): 8-18. PMID: 20063319, PMCID: PMC3099241
 
Roberts TP, Cannon KM, Tavabi K, Blaskey L, Khan SY, Monroe JF, Qasmieh S, Levy SE, Edgar JC. Auditory magnetic mismatch field latency: A biomarker for language impairment in autism. Biol Psychiatry (2011) 70:263-9. PMID: 21392733, PMCID: PMC3134608
 
Roberts, TP, Lanza, MR, Dell, J, Qasmieh, S, Hines, K, Blaskey,L, Zarnow, DM, Levy, SE, Edgar, JC, Berman, JI: Maturational differences in thalamocortical white matter microstructure and auditory evoked response latencies in autism spectrum disorders. Brain Research (2013) 1537: 79-85. PMID: 24055954. PMCID: PMC3970268
 
Roberts TP, Paulson DN, Hirschkoff E, Pratt K, Mascarenas A, Miller P, Han M, Caffrey J, Kincade C, Power B, Murray R, Chow V, Fisk C, Ku M, Chudnovskaya D, Dell J, Golembski R, Lam P, Blaskey L, Kuschner E, Bloy L, Gaetz W, Edgar JC. Artemis 123: development of a whole-head infant and young child MEG system. Front Hum Neurosci. (2014) 8:99. PMID: 24624069. PMCID: PMC3939774
 
Port R, Gaetz W, Bloy L, Wang DJ, Blaskey L, Kuschner E, Levy S, Brodkin E, Roberts TP. Exploring the relationship between cortical GABA concentrations, auditory gamma-band responses and development in ASD: Evidence for an altered maturational trajectory in ASD. Aut Res. (2017) 10:593-607. PMID: 27696740. PMCID: PMC5376374