Research Topics
| Lotfi MerabetSummaryAffiliation: Harvard University Country: USA Publications
Research Grants
| Collaborators
|
Detail Information
Publications
Transcranial magnetic stimulation as an investigative tool in the study of visual functionLotfi B Merabet
Laboratory for Magnetic Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
Optom Vis Sci 80:356-68. 2003..The application of TMS in the diagnosis as well as possible therapeutic use in various visual disorders is also discussed...- Combined activation and deactivation of visual cortex during tactile sensory processingLotfi B Merabet
Department of Neurology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS 430, Boston, MA 02215, USA
J Neurophysiol 97:1633-41. 2007.... - 'Who is the ideal candidate?': decisions and issues relating to visual neuroprosthesis development, patient testing and neuroplasticityLotfi B Merabet
Department of Neurology, Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
J Neural Eng 4:S130-5. 2007..Specifically, an understanding of the adaptive and compensatory changes that occur within the brain could assist in guiding the development of post-implantation rehabilitative strategies and optimize behavioral outcomes... - What blindness can tell us about seeing again: merging neuroplasticity and neuroprosthesesLotfi B Merabet
Department of Ophthalmology, Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
Nat Rev Neurosci 6:71-7. 2005..However, success in developing functional visual prostheses requires an understanding of how to communicate effectively with the visually deprived brain in order to merge what is perceived visually with what is generated electrically... 
Functional recruitment of visual cortex for sound encoded object identification in the blindLotfi B Merabet
Department of Neurology, Berenson Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Neuroreport 20:132-8. 2009....- Neural reorganization following sensory loss: the opportunity of changeLotfi B Merabet
Berenson Allen Center for Noninvasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, KS 158 Boston, Massachusetts 02215, USA
Nat Rev Neurosci 11:44-52. 2010..Here, we discuss crossmodal neuroplasticity with regards to behavioural adaptation after sensory deprivation and highlight the possibility of maladaptive consequences within the context of rehabilitation... - Shape conveyed by visual-to-auditory sensory substitution activates the lateral occipital complexAmir Amedi
Berenson Allen Center for Noninvasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, Massachusetts 02115, USA
Nat Neurosci 10:687-9. 2007..Recognizing objects by their typical sounds or learning to associate specific soundscapes with specific objects do not activate this region. This suggests that LOtv is driven by the presence of shape information... - Feeling by sight or seeing by touch?Lotfi Merabet
Laboratory for Magnetic Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA
Neuron 42:173-9. 2004..The differential effect of rTMS on task performance and corroborative clinical evidence suggest that occipital cortex is engaged in tactile tasks requiring fine spatial discrimination... - Behavioral and neuroplastic changes in the blind: evidence for functionally relevant cross-modal interactionsHugo Theoret
Laboratory for Magnetic Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA
J Physiol Paris 98:221-33. 2004..These issues have important implications for the development of visual prosthesis aimed at restoring some degree of vision in the blind... - Modulation of right motor cortex excitability without awareness following presentation of masked self-imagesHugo Theoret
Laboratory for Magnetic Brain Stimulation, Behavioral Neurology Unit, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, USA
Brain Res Cogn Brain Res 20:54-7. 2004..These results demonstrate the utility of TMS to probe unconscious processing and support the notion of hemispheric asymmetry in the processing of self-images... - Modulation in motor threshold after a severe episode of gastrointestinal distressFelipe Fregni
Laboratory for Magnetic Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
J ECT 20:50-1. 2004 
High-resolution modeling assisted design of customized and individualized transcranial direct current stimulation protocolsMarom Bikson
Department of Biomedical Engineering, The City College of New York of CUNY, New York, NY 10031, USA
Neuromodulation 15:306-15. 2012..The aim of this review is to discuss the incorporation of high-resolution patient-specific computer modeling to guide and optimize tDCS...- Effects of complete monocular deprivation in visuo-spatial memoryZaira Cattaneo
Department of Psychology, University of Pavia, Pavia, Italy
Brain Res Bull 77:112-6. 2008..No difference was observed between the monocular and binocular viewing control groups, suggesting that early monocular deprivation affects the development of cortical mechanisms mediating visuo-spatial cognition... - Occipital transcranial magnetic stimulation has opposing effects on visual and auditory stimulus detection: implications for multisensory interactionsVincenzo Romei
Functional Brain Mapping Laboratory, Department of Neurology, University Hospital Geneva, 1211 Geneva, Switzerland
J Neurosci 27:11465-72. 2007..The collective data support a mechanism of early auditory-visual interactions that is mediated by auditory-driven sensitivity changes in visual neurons that coincide in time with the initial volleys of visual input... - Time-dependent changes in cortical excitability after prolonged visual deprivationNaomi B Pitskel
Department of Neurology, Berenson Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Neuroreport 18:1703-7. 2007..Thus, light deprivation is characterized by a transient increase in visual cortical excitability, followed by a sustained decrease in visual cortex excitability that quickly returns to baseline levels after re-exposure to light... - The plastic human brain cortexAlvaro Pascual-Leone
Center for Non Invasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Annu Rev Neurosci 28:377-401. 2005..The challenge we face is to learn enough about the mechanisms of plasticity to modulate them to achieve the best behavioral outcome for a given subject... - Visual topography of human intraparietal sulcusJascha D Swisher
Perceptual Neuroimaging Laboratory, Program in Neuroscience and Department of Psychology, Boston University, Boston, Massachusetts 02215, USA
J Neurosci 27:5326-37. 2007..These visual maps may provide a practical framework in which to characterize the functional organization of human IPS... - Dissociable networks for the expectancy and perception of emotional stimuli in the human brainFelix Bermpohl
Center for Non Invasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02132, USA
Neuroimage 30:588-600. 2006..This dissociation may reflect a distinction between anticipatory and perceptive components of emotional stimulus processing... - Visual phosphene perception modulated by subthreshold crossmodal sensory stimulationCiro Ramos Estebanez
Berenson Allen Center for Noninvasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
J Neurosci 27:4178-81. 2007..These interactions may reflect an underlying anatomical connectivity and become further enhanced by attention modulation mechanisms... - Visual hallucinations during prolonged blindfolding in sighted subjectsLotfi B Merabet
Laboratory for Magnetic Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
J Neuroophthalmol 24:109-13. 2004..Subjects were insightful as to their unreal nature. These results indicate that rapid and complete visual deprivation is sufficient to induce visual hallucinations in normal subjects... - Suppression of complex visual hallucinatory experiences by occipital transcranial magnetic stimulation: a case reportLotfi B Merabet
Laboratory for Magnetic Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Neurocase 9:436-40. 2003..The use of TMS to probe the neurophysiology, and possibly alleviate, visual hallucinatory experiences is discussed... - Attentional modulation of emotional stimulus processing: an fMRI study using emotional expectancyFelix Bermpohl
Center for Non Invasive Brain Stimulation, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
Hum Brain Mapp 27:662-77. 2006..This enhancement effect is not present in neutral pictures and might parallel accentuated subjective feeling states...
Research Grants
- Role of Visual Cortex in Tactile Object ProcessingLotfi Merabet; Fiscal Year: 2005..These results are likely to have implications for the rehabilitation and education of the blind and visually impaired. ..
- The Occipital Cortex in Cross-Modal Sensory ProcessingLotfi Merabet; Fiscal Year: 2007..These results are likely to have implications for both the rehabilitation and education of the blind and visually impaired. ..