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Ross Kevin Maddox, Ph.D.

Ross Kevin Maddox, Ph.D.

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About Me

Faculty Appointments

Associate Professor - Department of Neuroscience (SMD) - Joint

Research

Ross Maddox joined the Departments of Biomedical Engineering and Neuroscience in 2016. He did his postdoctoral training at University of Washington Institute for Learning and Brain Sciences. He earned his PhD and MS in Biomedical Engineering from Boston University, and his BS in Sound Engineering fr...
Ross Maddox joined the Departments of Biomedical Engineering and Neuroscience in 2016. He did his postdoctoral training at University of Washington Institute for Learning and Brain Sciences. He earned his PhD and MS in Biomedical Engineering from Boston University, and his BS in Sound Engineering from the University of Michigan–Ann Arbor. Among the awards and honors he has received is the Pathway to Independence Award from the National Institutes of Health (K99/R00). He has published his research in numerous scientific journals, including Current Biology, PLOS Biology, and eLife.

Faced with the cacophony of daily life, the human brain is remarkably adept at focusing on one sound source while tuning out numerous competing others, effortlessly solving the so-called "cocktail party problem." Dr. Maddox studies the brain's solutions to this problem. His research has two main thrusts: to investigate how the visual system interacts with the auditory system to improve selective attention under noisy conditions, and to identify and dissociate the neural causes of disabled listening, particularly in people who show no signs of hearing impairment as defined by current audiologic testing. His work combines behavioral studies, electroencephalography recordings of neural activity, and novel applications of signal processing techniques.

Publications

Journal Articles

Correlations Between Quantitative EEG Parameters and Cortical Blood Flow in Patients Undergoing Extracorporeal Membrane Oxygenation With and Without Encephalopathy.

Khan IR, Dar IA, Johnson TW, Loose E, Xu YY, Santiago E, Donohue KL, Marinescu MA, Gosev I, Schifitto G, Maddox RK, Busch DR, Choe R, Selioutski O

Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society.. 2024 November 141 (7):597-605. Epub 10/30/2023.

Fundamental frequency predominantly drives talker differences in auditory brainstem responses to continuous speech.

Polonenko MJ, Maddox RK

JASA express letters.. 2024 November 14 (11)Epub 1900 01 01.

Enhanced Place Specificity of the Parallel Auditory Brainstem Response: An Electrophysiological Study.

Stoll TJ, Maddox RK

Journal of the Association for Research in Otolaryngology : JARO.. 2024 October 25 (5):477-489. Epub 08/20/2024.

Musical training does not enhance neural sound encoding at early stages of the auditory system: A large-scale multisite investigation.

Whiteford KL, Baltzell LS, Chiu M, Cooper JK, Faucher S, Goh PY, Hagedorn A, Irsik VC, Irvine A, Lim SJ, Mesik J, Mesquita B, Oakes B, Rajappa N, Roverud E, Schrlau AE, Van Hedger SC, Bharadwaj HM, Johnsrude IS, Kidd G, Luebke AE, Maddox RK, Marvin EW, Perrachione TK, Shinn-Cunningham BG, Oxenham AJ

bioRxiv : the preprint server for biology.. 2024 September 4 Epub 09/04/2024.

Fundamental frequency predominantly drives talker differences in auditory brainstem responses to continuous speech.

Polonenko MJ, Maddox RK

bioRxiv : the preprint server for biology.. 2024 July 13 Epub 07/13/2024.

Enhanced Place Specificity of the Parallel Auditory Brainstem Response: An Electrophysiological Study.

Stoll TJ, Maddox RK

bioRxiv : the preprint server for biology.. 2024 March 29 Epub 03/29/2024.

Subcortical responses to music and speech are alike while cortical responses diverge.

Shan T, Cappelloni MS, Maddox RK

Scientific reports.. 2024 January 814 (1):789. Epub 01/08/2024.

Wavelet and time-based cerebral autoregulation analysis using diffuse correlation spectroscopy on adults undergoing extracorporeal membrane oxygenation therapy.

Dar IA, Khan IR, Johnson TW, Helmy SM, Cardona JI, Escobar S, Selioutski O, Marinescu MA, Zhang CT, Proctor AR, AbdAllah N, Busch DR, Maddox RK, Choe R

PloS one.. 2024 19 (10):e0299752. Epub 10/29/2024.

Enhanced Place Specificity of the Parallel Auditory Brainstem Response: A Modeling Study.

Stoll TJ, Maddox RK

Trends in hearing.. 2023 27 :23312165231205719. Epub 1900 01 01.

Performance in an Audiovisual Selective Attention Task Using Speech-Like Stimuli Depends on the Talker Identities, But Not Temporal Coherence.

Cappelloni MS, Mateo VS, Maddox RK

Trends in hearing.. 2023 27 :23312165231207235. Epub 1900 01 01.

Independent mechanisms of temporal and linguistic cue correspondence benefiting audiovisual speech processing.

Fiscella S, Cappelloni MS, Maddox RK

Attention, perception & psychophysics.. 2022 August 84 (6):2016-2026. Epub 02/24/2022.

Optimizing Parameters for Using the Parallel Auditory Brainstem Response to Quickly Estimate Hearing Thresholds.

Polonenko MJ, Maddox RK

Ear and hearing.. 2022 43 (2):646-658. Epub 1900 01 01.

Cerebral Blood Flow Hemispheric Asymmetry in Comatose Adults Receiving Extracorporeal Membrane Oxygenation.

Johnson TW, Dar IA, Donohue KL, Xu YY, Santiago E, Selioutski O, Marinescu MA, Maddox RK, Wu TT, Schifitto G, Gosev I, Choe R, Khan IR

Frontiers in neuroscience.. 2022 16 :858404. Epub 04/11/2022.

Speech-In-Noise Comprehension is Improved When Viewing a Deep-Neural-Network-Generated Talking Face.

Shan T, Wenner CE, Xu C, Duan Z, Maddox RK

Trends in hearing.. 2022 26 :23312165221136934. Epub 1900 01 01.

Spatial alignment between faces and voices improves selective attention to audio-visual speech.

Fleming JT, Maddox RK, Shinn-Cunningham BG

The Journal of the Acoustical Society of America.. 2021 October 150 (4):3085. Epub 1900 01 01.

Exposing distinct subcortical components of the auditory brainstem response evoked by continuous naturalistic speech.

Polonenko MJ, Maddox RK

eLife.. 2021 February 1710 Epub 02/17/2021.

Towards detection of brain injury using multimodal non-invasive neuromonitoring in adults undergoing extracorporeal membrane oxygenation.

Dar IA, Khan IR, Maddox RK, Selioutski O, Donohue KL, Marinescu MA, Prasad SM, Quazi NH, Donlon JS, Loose EA, Ramirez GA, Ren J, Majeski JB, Abramson K, Durduran T, Busch DR, Choe R

Biomedical optics express.. 2020 November 111 (11):6551-6569. Epub 10/19/2020.

Task-uninformative visual stimuli improve auditory spatial discrimination in humans but not the ideal observer.

Cappelloni MS, Shivkumar S, Haefner RM, Maddox RK

PloS one.. 2019 14 (9):e0215417. Epub 09/09/2019.

The Parallel Auditory Brainstem Response.

Polonenko MJ, Maddox RK

Trends in hearing.. 2019 23 :2331216519871395. Epub 1900 01 01.

Combining clinical, behavioral, and neurophysiological measures to investigate auditory processing abnormalities in individuals with autism spectrum disorder.

Lau BK, Maddox RK, Estes A, Dager S, Lee AKC

Proceedings of meetings on acoustics.. 2018 November 535 (1)Epub 01/28/2019.

Integration of Visual Information in Auditory Cortex Promotes Auditory Scene Analysis through Multisensory Binding.

Atilgan H, Town SM, Wood KC, Jones GP, Maddox RK, Lee AKC, Bizley JK

Neuron.. 2018 February 797 (3):640-655.e4. Epub 01/26/2018.

Auditory Brainstem Responses to Continuous Natural Speech in Human Listeners.

Maddox RK, Lee AKC

eNeuro.. 2018 5 (1)Epub 02/09/2018.

Defining Auditory-Visual Objects: Behavioral Tests and Physiological Mechanisms.

Bizley JK, Maddox RK, Lee AK

Trends in neurosciences.. 2016 February 39 (2):74-85. Epub 01/15/2016.

Auditory selective attention is enhanced by a task-irrelevant temporally coherent visual stimulus in human listeners.

Maddox RK, Atilgan H, Bizley JK, Lee AK

eLife.. 2015 February 54 Epub 02/05/2015.

Directing eye gaze enhances auditory spatial cue discrimination.

Maddox RK, Pospisil DA, Stecker GC, Lee AK

Current biology : CB.. 2014 March 3124 (7):748-52. Epub 03/13/2014.

Auditory forebrain neurons track temporal features of time-warped natural stimuli.

Maddox RK, Sen K, Billimoria CP

Journal of the Association for Research in Otolaryngology : JARO.. 2014 February 15 (1):131-8. Epub 10/16/2013.

Using neuroimaging to understand the cortical mechanisms of auditory selective attention.

Lee AK, Larson E, Maddox RK, Shinn-Cunningham BG

Hearing research.. 2014 January 307 :111-20. Epub 07/09/2013.

Improving spatial localization in MEG inverse imaging by leveraging intersubject anatomical differences.

Larson E, Maddox RK, Lee AK

Frontiers in neuroscience.. 2014 8 :330. Epub 10/20/2014.

Selective attention in an overcrowded auditory scene: implications for auditory-based brain-computer interface design.

Maddox RK, Cheung W, Lee AK

The Journal of the Acoustical Society of America.. 2012 November 132 (5):EL385-90. Epub 1900 01 01.

Mapping cortical dynamics using simultaneous MEG/EEG and anatomically-constrained minimum-norm estimates: an auditory attention example.

Lee AK, Larson E, Maddox RK

Journal of visualized experiments : JoVE.. 2012 October 24 (68):e4262. Epub 10/24/2012.

Neuron-specific stimulus masking reveals interference in spike timing at the cortical level.

Larson E, Maddox RK, Perrone BP, Sen K, Billimoria CP

Journal of the Association for Research in Otolaryngology : JARO.. 2012 February 13 (1):81-9. Epub 10/01/2011.

Influence of task-relevant and task-irrelevant feature continuity on selective auditory attention.

Maddox RK, Shinn-Cunningham BG

Journal of the Association for Research in Otolaryngology : JARO.. 2012 February 13 (1):119-29. Epub 11/29/2011.

Competing sound sources reveal spatial effects in cortical processing.

Maddox RK, Billimoria CP, Perrone BP, Shinn-Cunningham BG, Sen K

PLoS biology.. 2012 10 (5):e1001319. Epub 05/01/2012.

The intelligibility of pointillistic speech.

Kidd G, Streeter TM, Ihlefeld A, Maddox RK, Mason CR

The Journal of the Acoustical Society of America.. 2009 December 126 (6):EL196-201. Epub 1900 01 01.

Invariance and sensitivity to intensity in neural discrimination of natural sounds.

Billimoria CP, Kraus BJ, Narayan R, Maddox RK, Sen K

The Journal of neuroscience : the official journal of the Society for Neuroscience.. 2008 June 1828 (25):6304-8. Epub 1900 01 01.