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Bradford Mahon, Ph.D.

Bradford Mahon, Ph.D.

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Research Lab

About Me

Professional Background

Brad Mahon is a cognitive neuroscientist who studies visual object categorization and language function. His research uses functional and structural MRI and behavioral analysis to study disruption and recovery of neural systems after brain damage. The types of patients studied in his research includ...
Brad Mahon is a cognitive neuroscientist who studies visual object categorization and language function. His research uses functional and structural MRI and behavioral analysis to study disruption and recovery of neural systems after brain damage. The types of patients studied in his research include individuals with brain tumors and stroke patients. Brad Mahon received his PhD from Harvard University (2009) where he studied the organization of object knowledge in the brains of congenitally blind humans. Dr. Mahon's research is funded by grants from the National Institute of Health and the National Science Foundation. Additional information about Dr. Mahon's research, and information for patients interested in participating in research studies, can be found at: http://caoslab.bcs.rochester.edu/

Faculty Appointments

Adjunct Associate Professor - Department of Neuroscience (SMD)

Credentials

Education

PhD | Harvard University. Psychology. 2009

BS | Harvard University. Cognitive Neuroscience. 2002

Research

Publications

Journal Articles

Intraoperative cortical localization of music and language reveals signatures of structural complexity in posterior temporal cortex.

McCarty MJ, Murphy E, Scherschligt X, Woolnough O, Morse CW, Snyder K, Mahon BZ, Tandon N

iScience.. 2023 July 2126 (7):107223. Epub 06/28/2023.

What tool representation, intuitive physics, and action have in common: The brain's first-person physics engine.

Fischer J, Mahon BZ

Cognitive neuropsychology.. 2022 August 22 :1-13. Epub 08/22/2022.

FLUORESCE: A Pilot Randomized Clinical Trial of Fluoxetine for Vision Recovery After Acute Ischemic Stroke.

Schneider CL, Prentiss EK, Busza A, Williams ZR, Mahon BZ, Sahin B

Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society.. 2022 July 8 Epub 07/08/2022.

Domain-specific connectivity drives the organization of object knowledge in the brain.

Mahon BZ

Handbook of clinical neurology.. 2022 187 :221-244. Epub 1900 01 01.

Empty Sella Syndrome as a Window Into the Neuroprotective Effects of Prolactin.

Paul DA, Strawderman E, Rodriguez A, Hoang R, Schneider CL, Haber S, Chernoff BL, Shafiq I, Williams ZR, Vates GE, Mahon BZ

Frontiers in medicine.. 2021 8 :680602. Epub 07/08/2021.

Direct electrical stimulation evidence for a dorsal motor area with control of the larynx.

Belkhir JR, Fitch WT, Garcea FE, Chernoff BL, Sims MH, Navarrete E, Haber S, Paul DA, Smith SO, Pilcher WH, Mahon BZ

Brain stimulation.. 2020 November 17 Epub 11/17/2020.

Brain Mapping: Understanding the Ins and Outs of Brain Regions.

Mahon BZ

Current biology : CB.. 2020 May 430 (9):R414-R416. Epub 1900 01 01.

Interactions between language, thought, and perception: Cognitive and neural perspectives.

Mahon BZ, Kemmerer D

Cognitive neuropsychology.. 2020 37 (5-6):235-240. Epub 1900 01 01.

Reorganized language network connectivity after left arcuate fasciculus resection: A case study.

Chernoff BL, Teghipco A, Garcea FE, Belkhir R, Sims MH, Paul DA, Tivarus ME, Smith SO, Hintz E, Pilcher WH, Mahon BZ

Cortex; a journal devoted to the study of the nervous system and behavior.. 2019 November 5123 :173-184. Epub 11/05/2019.

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping.

Mahon BZ, Mead JA, Chernoff BL, Sims MH, Garcea FE, Prentiss E, Belkhir R, Haber SJ, Gannon SB, Erickson S, Wright KA, Schmidt MZ, Paulzak A, Milano VC, Paul DA, Foxx K, Tivarus M, Nadler JW, Behr JM, Smith SO, Li YM, Walter K, Pilcher WH

Journal of visualized experiments : JoVE.. 2019 August 12 (150)Epub 08/12/2019.

A common neural signature of brain injury in concussion and subconcussion.

Hirad AA, Bazarian JJ, Merchant-Borna K, Garcea FE, Heilbronner S, Paul D, Hintz EB, van Wijngaarden E, Schifitto G, Wright DW, Espinoza TR, Mahon BZ

Science advances.. 2019 August 5 (8):eaau3460. Epub 08/07/2019.

Selective serotonin reuptake inhibitors for functional recovery after stroke: similarities with the critical period and the role of experience-dependent plasticity.

Schneider CL, Majewska AK, Busza A, Williams ZR, Mahon BZ, Sahin B

Journal of neurology.. 2019 July 25 Epub 07/25/2019.

Adjudicating conflict in speech production-Do we need a central selection mechanism?

Mahon BZ, Navarrete E

Cognitive neuropsychology.. 2019 May 28 :1-5. Epub 05/28/2019.

Action at a distance on object-related ventral temporal representations.

Almeida J, Mahon BZ, Lee D

Cortex; a journal devoted to the study of the nervous system and behavior.. 2019 March 4117 :157-167. Epub 03/04/2019.

Survival of retinal ganglion cells after damage to the occipital lobe in humans is activity dependent.

Schneider CL, Prentiss EK, Busza A, Matmati K, Matmati N, Williams ZR, Sahin B, Mahon BZ

Proceedings. Biological sciences. 2019 February 27286 (1897):20182733. Epub 1900 01 01.

Using Vision to Study Poststroke Recovery and Test Hypotheses About Neurorehabilitation.

Busza A, Schneider CL, Williams ZR, Mahon BZ, Sahin B

Neurorehabilitation and neural repair.. 2019 February 33 (2):87-95. Epub 1900 01 01.

Decoding intransitive actions in primary motor cortex using fMRI: toward a componential theory of 'action primitives' in motor cortex.

Shay EA, Chen Q, Garcea FE, Mahon BZ

Cognitive neuroscience.. 2019 January 10 (1):13-19. Epub 04/09/2018.

Direct electrical stimulation of the left frontal aslant tract disrupts sentence planning without affecting articulation.

Chernoff BL, Sims MH, Smith SO, Pilcher WH, Mahon BZ

Cognitive neuropsychology.. 2019 36 (3-4):178-192. Epub 06/18/2019.

Direct electrical stimulation mapping of cognitive functions in the human brain.

Mahon BZ, Miozzo M, Pilcher WH

Cognitive neuropsychology.. 2019 36 (3-4):97-102. Epub 1900 01 01.

Spontaneous in-flight accommodation of hand orientation to unseen grasp targets: A case of action blindsight.

Prentiss EK, Schneider CL, Williams ZR, Sahin B, Mahon BZ

Cognitive neuropsychology.. 2018 October 35 (7):343-351. Epub 03/15/2018.

Domain-Specific Diaschisis: Lesions to Parietal Action Areas Modulate Neural Responses to Tools in the Ventral Stream.

Garcea FE, Almeida J, Sims MH, Nunno A, Meyers SP, Li YM, Walter K, Pilcher WH, Mahon BZ

Cerebral cortex.. 2018 August 28 Epub 08/28/2018.

Task- and domain-specific modulation of functional connectivity in the ventral and dorsal object-processing pathways.

Garcea FE, Chen Q, Vargas R, Narayan DA, Mahon BZ

Brain structure & function.. 2018 July 223 (6):2589-2607. Epub 03/13/2018.

Abstract Representations of Object-Directed Action in the Left Inferior Parietal Lobule.

Chen Q, Garcea FE, Jacobs RA, Mahon BZ

Cerebral cortex.. 2018 June 128 (6):2162-2174. Epub 1900 01 01.

A Role for the Frontal Aslant Tract in Speech Planning: A Neurosurgical Case Study.

Chernoff BL, Teghipco A, Garcea FE, Sims MH, Paul DA, Tivarus ME, Smith SO, Pilcher WH, Mahon BZ

Journal of cognitive neuroscience.. 2018 May 30 (5):752-769. Epub 03/23/2018.

Visual and visuomotor processing of hands and tools as a case study of cross talk between the dorsal and ventral streams.

Almeida J, Amaral L, Garcea FE, Aguiar de Sousa D, Xu S, Mahon BZ, Martins IP

Cognitive neuropsychology.. 2018 35 (5-6):288-303. Epub 05/24/2018.

Evolutionary Constraints on Human Object Perception.

Koopman SE, Mahon BZ, Cantlon JF

Cognitive science.. 2017 November 41 (8):2126-2148. Epub 12/29/2016.

Connectivity-based constraints on category-specificity in the ventral object processing pathway.

Chen Q, Garcea FE, Almeida J, Mahon BZ

Neuropsychologia.. 2017 October 105 :184-196. Epub 11/19/2016.

Direct Electrical Stimulation in the Human Brain Disrupts Melody Processing.

Garcea FE, Chernoff BL, Diamond B, Lewis W, Sims MH, Tomlinson SB, Teghipco A, Belkhir R, Gannon SB, Erickson S, Smith SO, Stone J, Liu L, Tollefson T, Langfitt J, Marvin E, Pilcher WH, Mahon BZ

Current biology : CB.. 2017 September 1127 (17):2684-2691.e7. Epub 08/24/2017.

Theoretical and methodological issues for twenty-first century cognitive neuropsychology.

Mahon BZ, Costa A

Cognitive neuropsychology.. 2017 34 (7-8):395-396. Epub 1900 01 01.

Temporal Frequency Tuning Reveals Interactions between the Dorsal and Ventral Visual Streams.

Kristensen S, Garcea FE, Mahon BZ, Almeida J

Journal of cognitive neuroscience.. 2016 September 28 (9):1295-302. Epub 04/15/2016.

Hemispheric asymmetries in subcortical visual and auditory relay structures in congenital deafness.

Amaral L, Ganho-Ávila A, Osório A, Soares MJ, He D, Chen Q, Mahon BZ, Gonçalves OF, Sampaio A, Fang F, Bi Y, Almeida J

The European journal of neuroscience.. 2016 September 44 (6):2334-9. Epub 08/09/2016.

Resilience to the contralateral visual field bias as a window into object representations.

Garcea FE, Kristensen S, Almeida J, Mahon BZ

Cortex; a journal devoted to the study of the nervous system and behavior.. 2016 August 81 :14-23. Epub 04/13/2016.

Arguments about the nature of concepts: Symbols, embodiment, and beyond.

Mahon BZ, Hickok G

Psychonomic bulletin & review.. 2016 August 23 (4):941-58. Epub 1900 01 01.

Development of Tool Representations in the Dorsal and Ventral Visual Object Processing Pathways.

Kersey AJ, Clark TS, Lussier CA, Mahon BZ, Cantlon JF

Cerebral cortex.. 2016 July 26 (7):3135-45. Epub 06/23/2015.

Multisensory Part-based Representations of Objects in Human Lateral Occipital Cortex.

Erdogan G, Chen Q, Garcea FE, Mahon BZ, Jacobs RA

Journal of cognitive neuroscience.. 2016 June 28 (6):869-81. Epub 02/26/2016.

The Representation of Object-Directed Action and Function Knowledge in the Human Brain.

Chen Q, Garcea FE, Mahon BZ

Cerebral cortex.. 2016 April 26 (4):1609-18. Epub 01/16/2015.

Modelling lexical access in speech production as a ballistic process.

Mahon BZ, Navarrete E

Language, cognition and neuroscience.. 2016 31 (4):521-523. Epub 01/25/2016.

Decoding Visual Location From Neural Patterns in the Auditory Cortex of the Congenitally Deaf.

Almeida J, He D, Chen Q, Mahon BZ, Zhang F, Gonçalves ÓF, Fang F, Bi Y

Psychological science.. 2015 November 26 (11):1771-82. Epub 09/30/2015.

The burden of embodied cognition.

Mahon BZ

Canadian journal of experimental psychology = Revue canadienne de psychologie expe?rimentale.. 2015 June 69 (2):172-8. Epub 1900 01 01.

Response to Glenberg: Conceptual content does not constrain the representational format of concepts.

Mahon BZ

Canadian journal of experimental psychology = Revue canadienne de psychologie expe?rimentale.. 2015 June 69 (2):179-80. Epub 1900 01 01.

What is embodied about cognition?

Mahon BZ

Language, cognition and neuroscience.. 2015 May 130 (4):420-429. Epub 1900 01 01.

With or without semantic mediation: retrieval of lexical representations in sign production.

Navarrete E, Caccaro A, Pavani F, Mahon BZ, Peressotti F

Journal of deaf studies and deaf education.. 2015 April 20 (2):163-71. Epub 01/01/2015.

A causal test of the motor theory of speech perception: a case of impaired speech production and spared speech perception.

Stasenko A, Bonn C, Teghipco A, Garcea FE, Sweet C, Dombovy M, McDonough J, Mahon BZ

Cognitive neuropsychology.. 2015 32 (2):38-57. Epub 1900 01 01.

What can Written-Words Tell us About Lexical Retrieval in Speech Production?

Navarrete E, Mahon BZ, Lorenzoni A, Peressotti F

Frontiers in psychology.. 2015 6 :1982. Epub 01/06/2016.

White matter changes linked to visual recovery after nerve decompression.

Paul DA, Gaffin-Cahn E, Hintz EB, Adeclat GJ, Zhu T, Williams ZR, Vates GE, Mahon BZ

Science translational medicine.. 2014 December 106 (266):266ra173. Epub 1900 01 01.

Lexical Retrieval is not by Competition: Evidence from the Blocked Naming Paradigm.

Navarrete E, Del Prato P, Peressotti F, Mahon BZ

Journal of memory and language.. 2014 October 76 :253-272. Epub 1900 01 01.

When concepts lose their color: a case of object-color knowledge impairment.

Stasenko A, Garcea FE, Dombovy M, Mahon BZ

Cortex; a journal devoted to the study of the nervous system and behavior.. 2014 September 58 :217-38. Epub 06/21/2014.

Parcellation of left parietal tool representations by functional connectivity.

Garcea FE, Mahon BZ

Neuropsychologia.. 2014 July 60 :131-43. Epub 06/02/2014.

A bimodal tuning curve for spatial frequency across left and right human orbital frontal cortex during object recognition.

Fintzi AR, Mahon BZ

Cerebral cortex.. 2014 May 24 (5):1311-8. Epub 01/10/2013.

Grasping with the eyes: the role of elongation in visual recognition of manipulable objects.

Almeida J, Mahon BZ, Zapater-Raberov V, Dziuba A, Cabaço T, Marques JF, Caramazza A

Cognitive, affective & behavioral neuroscience.. 2014 March 14 (1):319-35. Epub 1900 01 01.

The CRITICAL DIFFERENCE in models of speech production: a response to Roelofs and Piai.

Mahon BZ, Navarrete E

Cortex; a journal devoted to the study of the nervous system and behavior.. 2014 March 52 :123-7. Epub 12/19/2013.

Tool manipulation knowledge is retrieved by way of the ventral visual object processing pathway.

Almeida J, Fintzi AR, Mahon BZ

Cortex; a journal devoted to the study of the nervous system and behavior.. 2013 October 49 (9):2334-44. Epub 05/31/2013.

What happens to the motor theory of perception when the motor system is damaged?

Stasenko A, Garcea FE, Mahon BZ

Language and cognition.. 2013 September 5 (2-3):225-238. Epub 1900 01 01.

What happens to the motor theory of perception when the motor system is damaged?

Stasenko A, Garcea FE, Mahon BZ

Language and cognition.. 2013 September 5 (0):225-238. Epub 1900 01 01.

Spatial frequency tuning reveals interactions between the dorsal and ventral visual systems.

Mahon BZ, Kumar N, Almeida J

Journal of cognitive neuroscience.. 2013 June 25 (6):862-71. Epub 02/14/2013.

Watching the brain in action.

Mahon BZ

eLife.. 2013 May 282 :e00866. Epub 05/28/2013.

Affect of the unconscious: visually suppressed angry faces modulate our decisions.

Almeida J, Pajtas PE, Mahon BZ, Nakayama K, Caramazza A

Cognitive, affective & behavioral neuroscience.. 2013 March 13 (1):94-101. Epub 1900 01 01.

Preserved tool knowledge in the context of impaired action knowledge: implications for models of semantic memory.

Garcea FE, Dombovy M, Mahon BZ

Frontiers in human neuroscience.. 2013 7 :120. Epub 04/29/2013.

A rose by any other name is still a rose: A reinterpretation of Hantsch and Mädebach.

Navarrete E, Mahon BZ

Language and cognitive processes.. 2013 28 (5):701-716. Epub 08/28/2012.

A right visual field advantage for visual processing of manipulable objects.

Garcea FE, Almeida J, Mahon BZ

Cognitive, affective & behavioral neuroscience.. 2012 December 12 (4):813-25. Epub 1900 01 01.

What is in a tool concept? Dissociating manipulation knowledge from function knowledge.

Garcea FE, Mahon BZ

Memory & cognition.. 2012 November 40 (8):1303-13. Epub 1900 01 01.

Picture-word interference and the response-exclusion hypothesis: a response to Mulatti and Coltheart.

Mahon BZ, Garcea FE, Navarrete E

Cortex; a journal devoted to the study of the nervous system and behavior.. 2012 March 48 (3):373-7. Epub 10/29/2011.

Factors determining semantic facilitation and interference in the cyclic naming paradigm.

Navarrete E, Del Prato P, Mahon BZ

Frontiers in psychology.. 2012 3 :38. Epub 02/21/2012.

Differential activity for animals and manipulable objects in the anterior temporal lobes.

Anzellotti S, Mahon BZ, Schwarzbach J, Caramazza A

Journal of cognitive neuroscience.. 2011 August 23 (8):2059-67. Epub 09/03/2010.

The specialization of function: cognitive and neural perspectives.

Mahon BZ, Cantlon JF

Cognitive neuropsychology.. 2011 May 28 (3-4):147-55. Epub 1900 01 01.

What drives the organization of object knowledge in the brain?

Mahon BZ, Caramazza A

Trends in cognitive sciences.. 2011 March 15 (3):97-103. Epub 1900 01 01.

Judging semantic similarity: an event-related fMRI study with auditory word stimuli.

Mahon BZ, Caramazza A

Neuroscience.. 2010 August 11169 (1):279-86. Epub 04/20/2010.

The cumulative semantic cost does not reflect lexical selection by competition.

Navarrete E, Mahon BZ, Caramazza A

Acta psychologica.. 2010 July 134 (3):279-89. Epub 03/26/2010.

The word class effect in the picture-word interference paradigm.

Janssen N, Melinger A, Mahon BZ, Finkbeiner M, Caramazza A

The quarterly journal of experimental psychology : QJEP.. 2010 June 63 (6):1233-46. Epub 12/07/2009.

The role of the dorsal visual processing stream in tool identification.

Almeida J, Mahon BZ, Caramazza A

Psychological science.. 2010 June 21 (6):772-8. Epub 05/18/2010.

The representation of tools in left parietal cortex is independent of visual experience.

Mahon BZ, Schwarzbach J, Caramazza A

Psychological science.. 2010 June 21 (6):764-71. Epub 05/05/2010.

Category-specific organization in the human brain does not require visual experience.

Mahon BZ, Anzellotti S, Schwarzbach J, Zampini M, Caramazza A

Neuron.. 2009 August 1363 (3):397-405. Epub 1900 01 01.

Concepts and categories: a cognitive neuropsychological perspective.

Mahon BZ, Caramazza A

Annual review of psychology.. 2009 60 :27-51. Epub 1900 01 01.

Action recognition: is it a motor process?

Mahon BZ

Current biology : CB.. 2008 November 2518 (22):R1068-9. Epub 1900 01 01.

Unconscious processing dissociates along categorical lines.

Almeida J, Mahon BZ, Nakayama K, Caramazza A

Proceedings of the National Academy of Sciences of the United States of America.. 2008 September 30105 (39):15214-8. Epub 09/22/2008.

Gender agreement and multiple referents.

Finocchiaro C, Mahon BZ, Caramazza A

Rivista di linguistica.. 2008 January 120 (2):285-307. Epub 1900 01 01.

Semantic interference in a delayed naming task: evidence for the response exclusion hypothesis.

Janssen N, Schirm W, Mahon BZ, Caramazza A

Journal of experimental psychology. Learning, memory, and cognition.. 2008 January 34 (1):249-56. Epub 1900 01 01.

A critical look at the embodied cognition hypothesis and a new proposal for grounding conceptual content.

Mahon BZ, Caramazza A

Journal of physiology, Paris.. 2008 102 (1-3):59-70. Epub 03/18/2008.

What is the role of motor simulation in action and object recognition? Evidence from apraxia.

Negri GA, Rumiati RI, Zadini A, Ukmar M, Mahon BZ, Caramazza A

Cognitive neuropsychology.. 2007 December 24 (8):795-816. Epub 1900 01 01.

Action-related properties shape object representations in the ventral stream.

Mahon BZ, Milleville SC, Negri GA, Rumiati RI, Caramazza A, Martin A

Neuron.. 2007 August 255 (3):507-20. Epub 1900 01 01.

Lexical selection is not by competition: a reinterpretation of semantic interference and facilitation effects in the picture-word interference paradigm.

Mahon BZ, Costa A, Peterson R, Vargas KA, Caramazza A

Journal of experimental psychology. Learning, memory, and cognition.. 2007 May 33 (3):503-35. Epub 1900 01 01.

The organisation of conceptual knowledge in the brain: The future's past and some future directions.

Caramazza A, Mahon BZ

Cognitive neuropsychology.. 2006 23 (1):13-38. Epub 1900 01 01.

The orchestration of the sensory-motor systems: Clues from Neuropsychology.

Mahon BZ, Caramazza A

Cognitive neuropsychology.. 2005 May 22 (3):480-94. Epub 1900 01 01.

Heterogeneity is a fact of category-specific semantic deficits. so? comments on Rosazza, Imbornone, Zorzi, Farina, Chiavari, And Cappa (2003).

Mahon BZ, Caramazza A

Neurocase.. 2004 February 10 (1):78-83; discussion 84-6. Epub 1900 01 01.

The organization of conceptual knowledge: the evidence from category-specific semantic deficits.

Caramazza A, Mahon BZ

Trends in cognitive sciences.. 2003 August 7 (8):354-361. Epub 1900 01 01.

Constraining questions about the organisation and representation of conceptual knowledge.

Mahon BZ, Caramazza A

Cognitive neuropsychology.. 2003 May 120 (3):433-50. Epub 1900 01 01.