Research Topics
| Julius FridrikssonSummaryAffiliation: University of South Carolina Country: USA Publications
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Detail Information
Publications
Motor speech perception modulates the cortical language areasJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, USA
Neuroimage 41:605-13. 2008..These findings suggest that the frontal language area plays a role in visual speech perception and highlight the differential roles of the classical speech and language areas in processing others' motor speech movements...- Preservation and modulation of specific left hemisphere regions is vital for treated recovery from anomia in strokeJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, South Carolina 29208, USA
J Neurosci 30:11558-64. 2010..In general, it seems likely that a similar relationship between cortical preservation and recruitment may also pertain to recovery from other functional impairments in chronic stroke... - Impaired speech repetition and left parietal lobe damageJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, South Carolina 29208, USA
J Neurosci 30:11057-61. 2010.... - Activity in preserved left hemisphere regions predicts anomia severity in aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Cereb Cortex 20:1013-9. 2010..These findings are consistent with others who suggests that residual language function following stroke relies on preserved cortical areas in the left hemisphere... - Cortical mapping of naming errors in aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Hum Brain Mapp 30:2487-98. 2009.... - Treating visual speech perception to improve speech production in nonfluent aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Stroke 40:853-8. 2009..Based on these findings, this study examined the utility of targeting visual speech perception to improve speech production in nonfluent aphasia... - Transcranial direct current stimulation improves naming reaction time in fluent aphasia: a double-blind, sham-controlled studyJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, 915 Greene Street, Columbia, SC 29201, USA
Stroke 42:819-21. 2011..The current study further examined this issue in a more tightly controlled experiment in participants with fluent aphasia... - Severe Broca's aphasia without Broca's area damageJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, SC, USA
Behav Neurol 18:237-8. 2007 - Neural correlates of phonological and semantic-based anomia treatment in aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Neuropsychologia 45:1812-22. 2007..These findings imply that cortical areas not traditionally related to language processing may support anomia recovery in some patients with chronic aphasia... - Age-related variability in cortical activity during language processingJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
J Speech Lang Hear Res 49:690-7. 2006..The present study investigated the extent of cortical activity during overt picture naming using functional magnetic resonance imaging (fMRI)... - Brain damage and cortical compensation in foreign accent syndromeJulius Fridriksson
Department of Communicative Sciences and Disorders, University of South Carolina, SC, USA
Neurocase 11:319-24. 2005.... - Measuring the hemodynamic response in chronic hypoperfusionJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, USA
Neurocase 12:146-50. 2006..This work has clear implications for understanding stroke using functional MRI... - Neural recruitment associated with anomia treatment in aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Neuroimage 32:1403-12. 2006..This is the first study to employ multiple pre- and post-treatment fMRI sessions in the study of treatment-induced recovery from aphasia and has implications for future studies of brain plasticity in stroke... - Measuring and inducing brain plasticity in chronic aphasiaJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
J Commun Disord 44:557-63. 2011.... - Spatial attention evokes similar activation patterns for visual and auditory stimuliDavid V Smith
University of South Carolina, Columbia, SC, USA
J Cogn Neurosci 22:347-61. 2010..Collectively, these results suggest that the neural mechanisms supporting spatial attention are largely similar across both visual and auditory modalities... - Modulation of frontal lobe speech areas associated with the production and perception of speech movementsJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Williams Brice Nursing Building, 6th Floor, 1621 Greene Street, Columbia, SC 29280, USA
J Speech Lang Hear Res 52:812-9. 2009..The purpose of this study was to investigate neural recruitment in cortical areas commonly associated with speech production during the production and visual perception of speech... - What is in a name? Spatial brain circuits are used to track discourse referencesAmit Almor
Department of Psychology, University of South Carolina, Columbia, South Carolina 29208, USA
Neuroreport 18:1215-9. 2007..The intraparietal sulcus activation suggests that this integration relies on brain regions used for spatial attention and perceptual integration... - Obligatory Broca's area modulation associated with passive speech perceptionTravis H Turner
Department of Communication Sciences and Disorders, University of South Carolina, SC 29208, USA
Neuroreport 20:492-6. 2009..Comparison revealed Broca's area to be more active when observing speech. These findings provide further support for Broca's area in speech perception and have clear implications for rehabilitation of aphasia... - Temporal order processing of syllables in the left parietal lobeDana Moser
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
J Neurosci 29:12568-73. 2009..Furthermore, a breakdown in this interface may explain some components of the speech deficits observed after posterior damage to the left hemisphere... - An evaluation of traditional and novel tools for lesion behavior mappingChris Rorden
Department of Communication Sciences and Disorders, University of South Carolina, SC 29208, USA
Neuroimage 44:1355-62. 2009..Therefore, we suggest that nonparametric measures or the Welch's t-test are more appropriate than the conventional pooled variance t-test used by AnaCOM... - Cognitive performance and neural correlates of detecting driving hazards in healthy older adultsVictor A Hirth
Division of Geriatrics, Department of Internal Medicine, University of South Carolina, Columbia, SC 29203, USA
Dement Geriatr Cogn Disord 24:335-42. 2007..We aimed to investigate, using a combination of functional MRI (fMRI) and a comprehensive neuropsychological battery, the anatomical and cognitive components of driving hazard recognition... - Neural recruitment for the production of native and novel speech soundsDana Moser
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Neuroimage 46:549-57. 2009..The role of the IFG as a storehouse and integrative processor for previously acquired routines is also discussed... - Speech perception in MRI scanner noise by persons with aphasiaEric W Healy
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
J Speech Lang Hear Res 50:323-34. 2007..To examine reductions in performance on auditory tasks by aphasic and neurologically intact individuals as a result of concomitant magnetic resonance imaging (MRI) scanner noise... - Speech apraxia without oral apraxia: can normal brain function explain the physiopathology?Leonardo Bonilha
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, South Carolina 29209, USA
Neuroreport 17:1027-31. 2006..Speech movements did not recruit the insula, but activated the left inferior frontal gyrus, suggesting that Broca's area, but not the insula, is critical for speech articulation... - Using transcranial direct-current stimulation to treat stroke patients with aphasiaJulie M Baker
Department of Communication Sciences and Disorders, Williams Brice Building, 1621 Greene St, University of South Carolina, Columbia, SC 29208, USA
Stroke 41:1229-36. 2010.... - Cerebral perfusion in chronic stroke: implications for lesion-symptom mapping and functional MRIJessica D Richardson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, USA
Behav Neurol 24:117-22. 2011..There was also a strong relationship between increased infarct size and decreased perfusion. These findings have implications for lesion-symptom mapping studies as well as research that relies on functional MRI to study chronic stroke... - Functional communication and executive function in aphasiaJulius Fridriksson
Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USA
Clin Linguist Phon 20:401-10. 2006..Based on these results, it appears that decreased executive functioning ability may coincide with decreased functional communication ability in persons with aphasia... - Comparing fixed- and randomized-interval spaced retrieval in anomia treatmentK Leigh Morrow
Department of Communication Sciences and Disorders, University of South Carolina, 1621 Greene Street, Columbia, SC 29208, USA
J Commun Disord 39:2-11. 2006..LEARNING OUTCOMES: Readers will be able to describe the spaced retrieval treatment approach using both fixed- and randomized-interval stimulus schedules, as well as applications of this technique in the treatment of anomia in aphasia... - Sentence comprehension and general working memoryDana C Moser
Department of Communication Sciences and Disorders, Arnold School of Pubic Health, University of South Carolina, Columbia, SC 29208, USA
Clin Linguist Phon 21:147-56. 2007..These results suggest that SP may be supported by a general WM capacity, and therefore, some sentence comprehension difficulties observed in the clinical population may potentially be related to impairment in general WM... - Left hemisphere plasticity and aphasia recoveryJulius Fridriksson
Department of Communication Sciences and Disorders, University of South Carolina, Columbia, South Carolina, USA
Neuroimage 60:854-63. 2012.... - Periodicity and frequency coding in human auditory cortexDeborah A Hall
MRC Institute of Hearing Research, University Park, Nottingham, NG7 2RD, UK
Eur J Neurosci 24:3601-10. 2006....