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Arnold School of Public Health


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Our People

Current Lab Members

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Roozbeh Behroozmand, PhD

Director, Speech Neuroscience Lab Roozbeh Behroozmand, PhD, is an Assistant Professor of Communication Disorders (COMD) and the Director of Speech Neuroscience Lab in the Arnold School of Public Health at the University of South Carolina. Dr. Behroozmand has background in Biomedical Engineering and Neuroscience and his research is focused on investigating the neural bases of speech production and motor control in the human brain. His lab utilizes a wide range of techniques including electrophysiology (EEG, ERP, ECoG), functional neuroimaging (fMRI) and high-definition transcranial direct current stimulation (HD-tDCS) to study sensory-motor mechanisms of speech in healthy individuals and patients with neurological disorders. The ultimate goal of this research is to gain knowledge that can be translated into the development of novel diagnosis and clinical treatment methods to enhance speech communication and improve quality of life in patients with speech disorders.

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Karim Johari

PhD Student Karim Johari is a doctoral student in the Department of Communication Disorders at the University of South Carolina. He has received his Master’s degree in Speech-Language Pathology from Tehran University of Medical Sciences. Karim’s primary line of research in the Speech Neuroscience Lab focuses on understanding the neural bases of speech and hand movement disorders in Parkinson’s disease. As a part of his doctoral dissertation project, Karim is investigating the behavioral and neurophysiological (EEG and ERP) correlates of reaction time and motor learning in speech and hand modalities in both healthy individuals and patients with Parkinson’s disease.

lorelei phillip

 Lorelei Phillip

PhD Student Lorelei Phillip, M.S., CF-SLP, is a doctoral student in the Aphasia Lab at the University of South Carolina in the Department of Communication Sciences and Disorders. Her research interests include aphasia treatment and recovery, post-stroke quality of life, and neuroimaging methods. While collaborating with the members in the Speech Neuroscience Lab, her research has focused on the neural time course of activation associated with speech and language in individuals who have aphasia, an acquired language disorder frequently occurring after stroke. She is also interested in learning more about EEG methodology as well as general data analysis methods.

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Stacey Sangtian

MSc Student Stacey Sangtian is currently a second-year Master’s student in the Department of Communication Sciences and Disorders at the University of South Carolina. She has been involved in a number of research projects in the Speech Neuroscience Lab to investigate the behavioral and neurophysiological correlates of speech production and motor control mechanisms. For her studies, Stacey has used the electroencephalography (EEG) technique to measure human brain activity in a variety of speech production, motor control and adaptation tasks. She is also completing her Master's thesis under the supervision of Dr. Behroozmand investigating how motor planning and execution during the preparatory phase of a speech task can modulate the mechanisms of speech motor control. The goal of her Master’s thesis project is to better understand how neural deficiencies related to motor planning may negatively affect the motor control pf speech in neurological patients with speech disorders.

Nicole Sovde

Nicole Sovde

Master's Student Nicole Sovde is a graduate student researcher in the Speech Neuroscience Lab exploring the neural bases of speech and motor production in both healthy individuals and those presenting Parkinson’s disease. Her participation involves examining the brain activity of these individuals via electroencephalography (EEG) technology to investigate the correlation of reaction time and motor learning in speech and hand movements.

Cameron McDuffie

Cameron McDuffie

Master's Student Cameron McDuffie is a MSP graduate student in the Department of Communication Sciences and Disorders at the University of South Carolina.  She received her undergraduate degree in Experimental Psychology with a minor in Communication Disorders from the University of South Carolina.  Cameron is interested in working with adults in the future in a hospital setting.  She is a collaborative member in the Speech Neuroscience Lab and assists with the speech production and motor control study.

Kathryn Hyatt

Kathryn Hyatt

Master's Student Kathryn Hyatt is a graduate student in the Department of Communication Sciences and Disorders at the University of South Carolina. She received her undergraduate degree in Psychology from Clemson University. Kathryn collaborates with members in the Speech Neuroscience Lab to study speech production and motor control.

ellie thompson

Ellie Thompson

Ellie Thompson is an undergraduate at the University of South Carolina majoring in Biological Sciences. She is currently working in the Speech Neuroscience Lab collaborating in a project to investigate the effect of high-definition transcranial direct current stimulation (HD-tDCS) on improving speech and hand motor movement. The goal of this research is to determine if HD-tDCS speeds up movement response times in healthy individuals. The outcome of this research can be translated to treatment of movement disorders in patients with neurological impairment such as Parkinson’s disease.

Maggie Fitzpatrick

Maggie Fitzpatrick

Maggie Fitzpatrick is an undergraduate student at the University of South Carolina majoring in Exercise Science with a minor in Health Promotion, Education and Behavior (HPEB) from New Jersey. She plans to go to medical school after graduating from USC, where she would love to specialize in neurology/neurosurgery. Maggie is currently working with Magellan Scholar, Ellie Thompson, in the Speech Neuroscience Lab on a project that is investigating the effect of high-definition transcranial direct current stimulation (HD-tDCS). She is confident that this project, along with her experience shadowing a neurosurgeon, will enhance her knowledge on the brain and motor/speech function.

 


Former Lab Members

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Chantel Juitt 

MSc Student Chantel Juitt worked in the Speech Neuroscience Lab on a research project to study the neural bases of speech motor adaptation in the human brain. Her study involved the recording of human brain activity using electroencephalography (EEG) combined with the auditory feedback pitch perturbation technique.

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Victoria Rogers

MSc Student Victoria Rogers completed her research in the Speech Neuroscience Lab investigating the behavioral and neurophysiological correlates of speech motor adaptation in response to pitch-shifted auditory feedback. Her project involved the use of electroencephalography (EEG) technology to measure human brain activity during speech production and motor control.

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Erin Hurst

MSc Student Erin Hurst worked in the Speech Neuroscience Lab to studying speech production and motor control in 60-80 year old participants. Her study involved the recording of human brain activity using electroencephalography (EEG) to study speech production and motor control.

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Meg Johnson

MSc Student Meg Johnson studied speech production and motor control in the Speech Neuroscience Lab. Her project involved the use of electroencephalography (EEG) to analyze speech production and motor control.

sarah neal

Sarah Neal

MSc Student With a background in Exercise Science and Motor Development, Sarah Neal is interested in studying speech motor control of healthy subjects over the age of 60 years old. The data that collected in her project is used to deepen the understanding of motor control in patients with Parkinson’s disease.

janelle rocktashel

Janelle Rocktashel

PhD Student Janelle Rocktashel is interested in understanding the neural correlates of motor control in neurologically impaired populations, particularly chronic stroke. As a scholar in the Biomedical-Behavioral Interface Program (BBIP), Janelle had the opportunity to rotate through the Speech Neuroscience Lab where she was involved with electroencephalography (EEG) recording for the Aphasia study including pitch-shift, picture matching, and picture naming tasks. 

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Caroline Hayden

Undergraduate Student Caroline Hayden took part in a joint collaboration with the Neurolinguistics Lab (Dr. den Ouden) and the Speech Neuroscience Lab (Dr. Behroozmand), as part of a Magellan Scholar Award on a project to investigate how non-invasive neurostimulation can affect speech motor control ability in the human brain. She used the state-of-the-art HD-tDCS (High-definition transcranial direct current stimulation) technique and combined it with electroencephalography (EEG) to measure changes in brain activity before and after neurostimulation during a speech motor control task. The goal of this research is to determine whether neurostimulation affects the ability to better control speech, and use the neurostimulation technology for the treatment of speech motor disorders in patients with neurological impairments such as Parkinson’s disease.