Research Topics
| D E BohningSummaryAffiliation: Medical University of South Carolina Country: USA Publications
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Detail Information
Publications
Motor cortex brain activity induced by 1-Hz transcranial magnetic stimulation is similar in location and level to that for volitional movementD E Bohning
Department of Radiology, Medical University of South Carolina, Charleston 29425, USA
Invest Radiol 35:676-83. 2000....- BOLD-fMRI response vs. transcranial magnetic stimulation (TMS) pulse-train length: testing for linearityDaryl E Bohning
Department of Radiology, Medical University of South Carolina, Charleston, South Carolina 29425, USA
J Magn Reson Imaging 17:279-90. 2003..To measure motor and auditory cortex blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (fMRI) response to impulse-like transcranial magnetic stimulation (TMS) pulses as a function of train length... - Feasibility of vagus nerve stimulation-synchronized blood oxygenation level-dependent functional MRID E Bohning
Center for Advanced Imaging Research, Department of Radiology, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Invest Radiol 36:470-9. 2001..Our objective was to develop a methodology for performing VNS-synchronized functional magnetic resonance imaging (VNS-fMRI) and then to demonstrate its feasibility for studying VNS effects... - Deconvolution of transcranial magnetic stimulation (TMS) mapsD E Bohning
Department of Radiology, Medical University of South Carolina, Charleston 29425, USA
J Neural Transm 108:35-52. 2001..This procedure offers an integrated, internally consistent method for processing TMS response maps to estimate the spatial distribution of motor cortex activations and inhibitions... - A TMS coil positioning/holding system for MR image-guided TMS interleaved with fMRIDaryl E Bohning
Center for Advanced Imaging Research, Department of Radiology, Medical University of South Carolina, 169 Ashley Avenue, Charleston, SC 29425, USA
Clin Neurophysiol 114:2210-9. 2003..The objective of this work was to design and build a self-contained hardware/software system for MR-guided TMS coil positioning in interleaved TMS/fMRI studies... - Interleaving fMRI and rTMSD E Bohning
Center for Advanced Imaging Research, Department of Radiology, Medical University of South Carolina, 169 Ashley Avenue, Charleston, SC 29425, USA
Suppl Clin Neurophysiol 56:42-54. 2003 - Echoplanar BOLD fMRI of brain activation induced by concurrent transcranial magnetic stimulationD E Bohning
Department of Radiology, Medical University of South Carolina, Charleston 29425, USA
Invest Radiol 33:336-40. 1998..The authors demonstrate the feasibility of combining transcranial magnetic stimulation (TMS) and functional magnetic resonance imaging (fMRI) inside an MR scanner to noninvasively stimulate and image regional brain activity... - Unilateral left prefrontal transcranial magnetic stimulation (TMS) produces intensity-dependent bilateral effects as measured by interleaved BOLD fMRIZ Nahas
Brain Stimulation Laboratory, Psychiatry Department, Medical University of South Carolina (MUSC, Charleston, South Carolina 29425, USA
Biol Psychiatry 50:712-20. 2001..Higher prefrontal TMS stimulation intensity produces greater local and contralateral activation. Importantly, unilateral prefrontal TMS produces bilateral effects, and TMS at 80% MT produces only minimal prefrontal cortex activation... - BOLD fMRI response to direct stimulation (transcranial magnetic stimulation) of the motor cortex shows no decline with ageK A McConnell
Departments of Radiology, Brain Stimulation Laboratory, Medical University of South Carolina, USA
J Neural Transm 110:495-507. 2003..Direct neuronal stimulation by TMS produced similar fMRI signal increases in both groups, suggesting that cortical physiology itself may not necessarily decline with age... - BOLD-f MRI response to single-pulse transcranial magnetic stimulation (TMS)D E Bohning
Functional Neuroimaging Research Division, Department of Radiology, Medical University of South Carolina, Charleston, South Carolina 29425, USA
J Magn Reson Imaging 11:569-74. 2000..0%-1.5% signal increase) was comparable in both level and duration to the auditory cortex response to the sound accompanying the TMS pulse (1.5% -2.0% signal increase)... - The transcranial magnetic stimulation motor threshold depends on the distance from coil to underlying cortex: a replication in healthy adults comparing two methods of assessing the distance to cortexK A McConnell
Functional Neuroimaging Division, Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Biol Psychiatry 49:454-9. 2001..Distance to prefontal cortex is not correlated with MT, raising questions about the common practice of dosing prefontal stimulation using MT determined over motor cortex... - Acute vagus nerve stimulation using different pulse widths produces varying brain effectsQiwen Mu
Brain Stimulation Laboratory, Medical University of South Carolina, Institute of Psychiatry 502N, 67 President Street, Charleston, SC 29425, USA
Biol Psychiatry 55:816-25. 2004..These data suggest that PW is an important variable in producing VNS brain effects... - Feasibility of using fMRI to study mothers responding to infant criesJ P Lorberbaum
Department of Psychiatry, Medical University of South Carolina, Charleston 29425, USA
Depress Anxiety 10:99-104. 1999..e., child neglect), offspring temperament, or offspring depression or anxiety... - A potential role for thalamocingulate circuitry in human maternal behaviorJeffrey P Lorberbaum
Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Biol Psychiatry 51:431-45. 2002..CONCLUSIONS: Our results partially support our hypotheses and are generally consistent with neuroanatomical studies of rodent maternal behavior... - Brain effects of TMS delivered over prefrontal cortex in depressed adults: role of stimulation frequency and coil-cortex distanceZ Nahas
Brain Stimulation Laboratory, Functional Neuroimaging Research Division, Departments of Psychiatry, Radiology, and Neurology, Medical University of South Carolina, Charleston, South Carolina 29425, USA
J Neuropsychiatry Clin Neurosci 13:459-70. 2001.... - Vagus nerve stimulation therapy: a research updateMark S George
502 North, IoP, Department of Psychiatry, Medical University of South Carolina, 67 President Street, Charleston, SC 29425, USA
Neurology 59:S56-61. 2002.... - Histological correlates to pig gastrointestinal wall layers imaged in vitro with the magnetic resonance endoscopeD Kulling
Department of Gastroenterology, Medical University of South Carolina, Charleston 29425, USA
Gastroenterology 112:1568-74. 1997..The aim of this study was to define the anatomic correlates of the gastrointestinal wall layers imaged in vitro with the magnetic resonance endoscope... - Serial vagus nerve stimulation functional MRI in treatment-resistant depressionZiad Nahas
Department of Psychiatry, Brain Stimulation Laboratory, Mood Disorders Program, Institute of Psychiatry, Charleston, SC 29403, USA
Neuropsychopharmacology 32:1649-60. 2007..Future interleaved VNS/fMRI studies to confirm these findings and further clarify the regional neurobiological effects of VNS... - Interleaved transcranial magnetic stimulation/functional MRI confirms that lamotrigine inhibits cortical excitability in healthy young menXingbao Li
Brain Stimulation Laboratory, Center for Advanced Imaging Research CAIR, Medical University of South Carolina MUSC, Charleston, SC 29425, USA
Neuropsychopharmacology 29:1395-407. 2004..Furthermore, the interleaved TMS/fMRI technique may be a useful tool for investigating regional brain effects of psychoactive compounds... - Safety and benefits of distance-adjusted prefrontal transcranial magnetic stimulation in depressed patients 55-75 years of age: a pilot studyZiad Nahas
Brain Stimulation Laboratory, Institute of Psychiatry, Medical University of South Carolina, Charleston, SC 29425, USA
Depress Anxiety 19:249-56. 2004.... - A pilot study of functional magnetic resonance imaging brain correlates of deception in healthy young menF Andrew Kozel
Center for Advanced Imaging Research, Department of Psychiatry, Medical University of South Carolina, South Carolina, USA
J Neuropsychiatry Clin Neurosci 16:295-305. 2004..Individually and as a group, EDA correlated with blood flow changes in the OFCx and AC. Specific brain regions were activated during deception, but the present technique lacks good predictive power for individuals... - Neural correlates of speech anticipatory anxiety in generalized social phobiaJeffrey P Lorberbaum
Department of Psychiatry and Center for Advanced Imaging, Medical University of South Carolina Charleston MUSC, SC 29425, USA
Neuroreport 15:2701-5. 2004..Phobics may become so anxious, they cannot think clearly or vice versa... - Decreased brain activation during a working memory task at rested baseline is associated with vulnerability to sleep deprivationQiwen Mu
Brain Stimulation Laboratory, Medical University of South Carolina IOP, 502 N, 67 President St, Charleston, SC 29425, USA
Sleep 28:433-46. 2005..To examine whether differences in patterns of brain activation under baseline conditions relate to the differences in sleep-deprivation vulnerability... - Decreased cortical response to verbal working memory following sleep deprivationQiwen Mu
Brain Stimulation Laboratory, Medical University of South Carolina, Charleston 29425, USA
Sleep 28:55-67. 2005..To investigate the cerebral hemodynamic response to verbal working memory following sleep deprivation... - Cortical and subcortical brain effects of transcranial magnetic stimulation (TMS)-induced movement: an interleaved TMS/functional magnetic resonance imaging studyStewart Denslow
Department of Radiology, Center for Advanced Imaging Research and Brain Stimulation Laboratories, Medical University of South Carolina, Charlestown, SC 29425, USA
Biol Psychiatry 57:752-60. 2005..We hypothesized that TMS would activate known motor circuitry with some additional regions plus some areas dropping out... - An increased precision comparison of TMS-induced motor cortex BOLD fMRI response for image-guided versus function-guided coil placementStewart Denslow
Department of Radiology, Center for Advanced Imaging Research and Brain Stimulation Laboratories, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Cogn Behav Neurol 18:119-26. 2005..To examine with high precision the differences between function-guided and image-guided transcranial magnetic stimulation (TMS)... 
Interleaved transcranial magnetic stimulation and fMRI suggests that lamotrigine and valproic acid have different effects on corticolimbic activityXingbao Li
Brain Stimulation Laboratory, Department of Psychiatry, Medical University of South Carolina, 502N, 67 President St, Charleston, SC 29425, USA
Psychopharmacology (Berl) 209:233-44. 2010..A previous study showed that lamotrigine (LTG) inhibited brain activation induced when TMS was applied over motor cortex, whereas it increased activation induced by TMS applied over prefrontal cortex...- Are there really no evolutionarily stable strategies in the iterated prisoner's dilemma?Jeffrey P Lorberbaum
Department of Psychiatry, Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, U S A
J Theor Biol 214:155-69. 2002..e. cooperates with minimum probability e). [2] Grudge-e which generally cooperates after both players simultaneously cooperated; otherwise, Grudge-e generally defects. [3] ALLD-e which generally defects after all histories... - Vagus nerve stimulation (VNS) synchronized BOLD fMRI suggests that VNS in depressed adults has frequency/dose dependent effectsMikhail Lomarev
Department of Radiology, Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
J Psychiatr Res 36:219-27. 2002..g. hearing a tone)... - Mechanisms and state of the art of transcranial magnetic stimulationMark S George
Psychiatry Departmemt, Center for Advanced Imaging Research, Medical University of South Carolina, Charleston, SC 29425, USA
J ECT 18:170-81. 2002..This article reviews the major recent advances with this interesting noninvasive technique for stimulating the brain, critically reviewing the data on whether TMS has anticonvulsant effects or modulates cortical-limbic loops... - Prefrontal cortex transcranial magnetic stimulation does not change local diffusion: a magnetic resonance imaging study in patients with depressionXingbao Li
Brain Stimulation Laboratory, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Cogn Behav Neurol 16:128-35. 2003.... - Mechanisms and the current state of transcranial magnetic stimulationMark S George
Psychiatry Department, Medical University of South Carolina, Charleston, South Carolina 29425, USA
CNS Spectr 8:496-514. 2003..TMS' ability to non-invasively and focally stimulate the brain of an awake human is proving to be a most important development for neuroscience in general, and neuropsychiatry in particular... - Safety and feasibility of repetitive transcranial magnetic stimulation in the treatment of anxious depression in pregnancy: a case reportZ Nahas
Department of Psychiatry, Medical University of South Carolina, Charleston 29425, USA
J Clin Psychiatry 60:50-2. 1999..CASE: We report the case of a 36-year-old woman in her second trimester of pregnancy, whose depression (DSM-IV) and anxiety were successfully treated with rTMS. Further studies of rTMS in depressed pregnant women appear warranted... - A low-cost system for monitoring skin conductance during functional MRIA Shastri
Functional Neuroimaging Research Division, Department of Radiology, Medical University of South Carolina, Charleston, South Carolina, USA
J Magn Reson Imaging 14:187-93. 2001..The system may be useful for a variety of imaging studies... - A high resolution assessment of the repeatability of relative location and intensity of transcranial magnetic stimulation-induced and volitionally induced blood oxygen level-dependent response in the motor cortexStewart Denslow
Center for Advanced Imaging Research and Brain Stimulation Laboratories, Department of Radiology, Medical University of South Carolina, Charleston, South Carolina, USA
Cogn Behav Neurol 17:163-73. 2004..The similarity between VOL and transcranial magnetic stimulation suggests that transcranial magnetic stimulation may act through natural brain movement circuits... 
Motor threshold in transcranial magnetic stimulation: the impact of white matter fiber orientation and skull-to-cortex distanceTal Herbsman
Mood Disorders Program and Brain Stimulation Laboratory, Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina 29425, USA
Hum Brain Mapp 30:2044-55. 2009..82, F = 20.27, P < 0.0001) in measurements of MT. The corticospinal tract's anterior-posterior direction alone contributes 13% of the variance explained...- Acute left prefrontal transcranial magnetic stimulation in depressed patients is associated with immediately increased activity in prefrontal cortical as well as subcortical regionsXingbao Li
Brain Stimulation Laboratory, Department of Psychiatry, Charleston, South Carolina 29425, USA
Biol Psychiatry 55:882-90. 2004..Further work is needed to understand whether these immediate changes vary as a function of TMS use parameters (intensity, frequency, location) and whether they relate to neurobiologic effects and antidepressant mechanisms of TMS... - Regional brain activity in women grieving a romantic relationship breakupArif Najib
Department of Psychiatry, Medical University of South Carolina, Charleston, SC 29425, USA
Am J Psychiatry 161:2245-56. 2004.... - A review of functional neuroimaging studies of vagus nerve stimulation (VNS)Jeong-Ho Chae
The Center for Advanced Imaging Research and Brain Stimulation Laboratory, Medical University of South Carolina, Charleston, SC 29425, USA
J Psychiatr Res 37:443-55. 2003..These include the thalamus, cerebellum, orbitofrontal cortex, limbic system, hypothalamus, and medulla. Functional neuroimaging studies have the potential to provide greater insight into the brain circuitry behind the activity of VNS... - Reproducibility, interrater agreement, and age-related changes of fractional anisotropy measures at 3T in healthy subjects: effect of the applied b-valueS Bisdas
Department of Radiology, Medical University of South Carolina, Charleston, SC 29425, USA
AJNR Am J Neuroradiol 29:1128-33. 2008..Our purpose was to establish the extent and statistical significance of the interrater variability, the variability observed with 2 different b-values, and in 2 separate scanning sessions... - Changed patterns of cerebral activation related to clinically normal hand movement in cervical dystoniaPaulien M de Vries
Department of Neurology, University Medical Center Groningen, The Netherlands
Clin Neurol Neurosurg 110:120-8. 2008..In this fMRI study, we aimed to determine whether cervical dystonia patients have indeed different patterns of cerebral activation during clinically normal hand performance... - Cerebral activation patterns related to initiation and inhibition of hand movementCarolien M Toxopeus
Department of Neurology, University Medical Centre Groningen, University of Groningen, The Netherlands
Neuroreport 18:1557-60. 2007..This indicates a specific basal ganglia-thalamocortical circuit involved in motor inhibition... - Modeling the effects of electrical conductivity of the head on the induced electric field in the brain during magnetic stimulationKent Davey
Pickle Research Center, Center for Electromechanics, University of Texas, J J Pickle Research Campus, 10100 Burnet Road, EME 133, Austin, TX 78758, USA
Clin Neurophysiol 114:2204-9. 2003..The objective of this document is to quantify the effect of changing conductivity within the brain in transcranial magnetic stimulation... - Effects of short-term very low-calorie diet on intramyocellular lipid and insulin sensitivity in nondiabetic and type 2 diabetic subjectsCristina Lara-Castro
Department of Nutrition Sciences, University of Alabama, Birmingham, AL 35294, USA
Metabolism 57:1-8. 2008..These observations are consistent with the idea that insulin resistance is more directly related to IMCL rather than to body fat per se...