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Laboratory
Director |
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| Steven
M. Barlow, Ph.D. |
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• Professor,
Dept of Speech-Language-Hearing: Sciences and
Disorders (2004-present)
• Professor and Chair, Dept of Speech-Language-Hearing: Sciences & Disorders
(2000-04)
• Professor, Programs in Neuroscience, Human Biology, and Bioengineering
• Director, Communication Neuroscience Laboratories
• Director, Digital Electronics & Engineering Core NIH P30, Center for
Biobehavioral Neurosciences in Human Communication
• Core, Center for Neurological Disorders
• KECK AWARD 1985
• ZEMLIN AWARD Speech Science 2003
• ASHA FELLOW 2009
• Higuchi Bioscience - Dolph Simons Biomedical Award 2009
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Staff
Research
Engineer |
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Graduate Students |
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| Emily
Zimmerman, ABD, CCC-SLP |
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ABD,
Developmental Speech Physiology and Neuroscience,
University of Kansas
M.A. Speech, Language, and Hearing Sciences and Disorders,
2007, The University of Kansas
B.A. Speech, Language, and Hearings Sceinces and Disorders,
2005, The University of Kansas
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Research Interests and Skills:
Emily has served as a GRA in the CNL since
2005 working very closely with the NTrainer
technology. She has been heavily involved
in data collection, learned software tools,
and statistical methods to handle repeated
measures multivariate data sets. She is currently
a research site-leader at the Overland Park
Regional Medical Center NICU.While taking
PhD coursework, Emily completed her clinical
fellowship as a speech pathologist with a
variety of clinical populations and settings.
This experience as well as her time working
in the CNL as a GRA and in the NICU has served
as a strong foundation for her career as
a clinical scientist.
Current Research Project(s):
Emily has recently started a dissertation
project concerning the role of vestibular
inputs on the entrainment of respiratory
and oromotor systems during suck and early
feeding in preterm infants. A servo-controlled
linear accelerator is being developed to
provide precise stimulus control to test
the effects of frequency and acceleration
within the physiologic operating range of
the otolith-vestibular apparatus.
Hometown: Denver, CO
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Lalit
Venkatesan, M.S.CoE
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Ph.D Student,
in Neurosciences, August 2006-Present, University
of Kansas
MSCoE Computer Engineering, 2006, University of Kansas
B.E. Electronics and Communications Engineering, 2004, Bharathiar
University, India |
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Research
Interests: Sensorimotor integration,
Motor control, Neuroimaging and Adult Stroke.
Current Research Project(s): MEG
Registration and Characterization of short-term
cortical adaptation to TAC-Cell inputs
delivered to the human hand and face. Repetitive
stimulation using similar visual or auditory
stimuli has resulted in an attenuated neuronal
response. Very little is known about the
short-term adaptation of hand and face
primary somatosensory cortex (S1) in response
to repetitive punctate mechanical stimuli.
Spatial resolution of magnetoencephalography
(MEG) has proved sufficient to map the
S1 representation of the human body including
the lips, tongue, fingers and hand. Utilizing
unnatural stimuli like electrical current
produces interference in the MEG environment
and may bypass peripheral mechanoreceptors
while activating fibers from deep and superficial
receptors. Piezoelectric transducers have
an excellent frequency response but limited
displacement amplitudes, and require large
source currents to operate the piezoelectric
crystal. In order to study properties of
short-term neural adaptation of primary
face and hand somatosensory cortex in humans,
a new MRI/MEG compatible and scalable tactile
stimulator was developed known as the TAC-Cell®.
Skills: Software Packages:
CURRY 5.0 ,CTF 5.0, EEGLAB, LabView, Matlab
Programming languages: C, C++ Operating systems:
Windows, Linux.
Hometown: Coimbatore, India
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| Meredith
Estep, PHD |
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Ph.D.
Neuroscience, University of Kansas, December
2009.
A.B.D. Neuroscience ,
University of Kansas, 2007.
B.A. Human Biology,
University
of Kansas, 2002.
Post-Doctoral Fellow, Washington University
Medical School.
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Research
Interests:
Adult human perioral response: Electrophysiology
and the characterization of reflex gain and modulation
as a function of early or mid-contraction orbicularis
oris force threshold and task dynamics.
Sensorimotor deprivation and the preterm
human infant: Actifier technology and the characterization
of seven non-nutritive suck parameters in preterm
infants with respiratory distress syndrome.
Neural substrate correlatated with adult
human orofacial sensory mechanisms: Functional neuroimaging
(MEG) and the registration of hand and face somatosensory
inputs using patterned pneumatic-cutaneous pulse
trains.
Cortical and subcortical contributions to ororhythmic
behavior: Functional neuroimaging (fMRI) and the
analysis of the extent of shared or unique correlates
as a function of task or intersegmental rate.
Current Research Project(s): Corticobulbar motor control mechanisms
related to healthy adult rhythmic behiors:
Using functional neuroimaging (fMRI) to provide
comprehensive
insight into how the central nervous system
encodes the
kinematics of rhythmic motor behaviors performed
orally by healthy adults. Preliminary findings
suggest shared cortical (sensorimotor & cingulate),
subcortical (basal ganglia, thalamus, cerebellar
cortex & nuclei), and brainstem (pons,
medulla) correlates encode healthy adult speech
(unvoiced
syllabic) and non-speech (suck) tasks performed
at varying rates (1 or 3 Hz). The current investigation
is focused on determining the extent of overlap
among activated neural regions correlated with
ororhythmic task and rate. Future investigations
are planned to provide insight into the functional
and anatomical connectivity of activated neural
regions
Hometown: Wichita, KS
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| Meredith
Poore, ABD |
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ABD,
Developmental Speech Physiology, 2005
- present, University of Kansas
M.A., Speech Pathology, 2008, University of Kansas
B.G.S., Speech-Language-Hearing: Sciences and Disorders
B.A.
minor, Linguistics, 2005, University of Kansas |
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Research
Interests: The primary goal of
my research career is to develop techniques
for very-early intervention and/or prevention
of speech–language impairment. Additional
topics of interest include: 1) infant cognitive,
motor, and linguistic development; 2) speech
kinematics; 3) speech acoustics.
Current Research Project(s): Arm
Stereotypy as a Buttress for Canonical
Syllable Production in Infants. Infant vocalizations predict childhood speech-language skills;
the pre-speech stage most often cited to predict linguistic development is canonical babbling.
At the age of onset of canonical babbling, rhythmic arm stereotypy increases substantially and
occurs synchronously with canonical syllables, regardless of the infant’s age or the status of
other motor milestones. Scientists who have observed this phenomenon hypothesize that repetitive
rhythmic arm movement (i.e. stereotypy) may play a facilitatory role in canonical syllable production.
We will examine the nature of the arm stereotypy – canonical syllable link, how it may be elicited,
and how it affects infants’ vocalizations. The long-term goal of this research program is to
identify developmentally-appropriate methods for eliciting pre-speech vocalizations from infants;
particularly, methods appropriate for application to early intervention of at-risk infants.
Hometown: Topeka, KS
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| Shinying
Chu, ABD |
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ABD,
Speech Physiology, 2006 - Present, University
of Kansas
M.A. Speech-Language-Hearing, 2006, University of Kansas
B.A Psychology(honors), 2003, University of Kansas
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Research
Interests and Skills: Ying’s
research interest includes the neuroplasticity
of the perioral system following lip revision
surgery in individuals who have lip/palate
cleft, and developmental study of central
pattern generation in premature infants at
risk for brain insults. Additional interest
includes biomechanics, orofacial and physiology
reorganization following bilateral subthalamic
nucleus deep brain stimulation (STN DBS)
in Parkinson disease.
Current Research Project(s): Ying
is currently working on her dissertation
project to examine the relation between perioral
stiffness and coordination of articulators
in individuals with Parkinson’s disease
(PD) as a function of speech production rate.
A secondary goal is to evaluate the influence
of dopaminergic treatment on perioral stiffness,
speech rate, and speech movement. The results
from this study will contribute to our understanding
of the role of perioral stiffness and associated
compensatory strategies in PD patients during
speech production. The utilization of biomechanical,
kinematic, and electrophysiological approaches
proposed in this study would be helpful in
diagnosing, assessing, and monitoring the
progression of PD to examine the efficacy
of pharmacological, surgical, and rehabilitation
treatments.
Hometown: Melaka, Malaysia
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| Susan
Stumm, ABD, CCC-SLP |
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Ph.D.
Student, Speech Physiology,
in progress
ABD, conferred January 2007
MS, Speech-Language Pathology, 1999
BS, Speech Pathology & Audiology, 1997
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Susan
is a fourth year doctoral student in speech physiology
with neuroscience minor. She has served as a
graduate teaching assistant
for the speech-language-hearing department at
KU, organizing and intermittently teaching the
undergraduate Survey of Communication Disorders
course. Additionally, she has been actively involved
on the Actifier research
team since 2003 at KU Medical Center in Kansas
City, Kansas.
Research Interests: Susan's interests include
the neural correlates associated with motor speech
disorders,
neurorehabilitation
and brain plasticity in response to injury, with
particular emphasis on speech production recovery.
Currently, she is working on an electrophysiological
pilot study examining the speech motor planning
processes involved in simple speech tasks in
control subjects. Prior to beginning her doctoral
studies, Susan was employed as a public school
speech-language pathologist and worked with patients
privately in the home environment.
Susan has completed her coursework towards the PhD with a projected completion date for the degree in December 2007. Outside interests and hobbies include, home decorating, travel, spending time with family & friends, computer games, and reading fiction novels. |
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Undergraduate |
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| Aryn
Kamerer, Undergraduate |
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Research
Assistant
Undergraduate. Speech, Language, and Hearing Sciences and Disorders, The University
of Kansas
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Research interests: respiratory and vestibular
development, orofacial disorders, and swallowing
disorders.
Current research: conducting preliminary
experiments for Emily Zimmerman. Effects
of vestibular stimulation on Respiratory
Central Pattern Generator in infants (3-4
mo). Aryn is planning on graduating with
BA in Speech-Language-Hearing in May 2010.
Hopes
to volunteer overseas
for a year, then continue studies. Wants
to pursue a PhD in fields of communication
and neuroscience, but also to achieve clinical
competencies in Speech-Language Pathology.
Hometown: Olathe, KS
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| Ashley
Lombardi, Undergraduate |
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Research
Assistant
Undergraduate. Speech, Language, and Hearing Sciences and Disorders,
The University of Kansas
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Research Interests: speech
science, orofacial disorders, swallowing,
voice disorders, audiology, audition and
speech.
Hometown: Rose Hill, KS
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Personnel