Language and its right-hemispheric distribution in healthy brains: An investigation by repetitive transcranial magnetic stimulation

Sollmann, Nico; Tanigawa, N; Ringel, Florian; Zimmer, Claus; Meyer, Bernhard; Krieg, Sandro M.

doi:10.1016/j.neuroimage.2014.09.002

Cited by 63 publications

(97 citation statements)

References 47 publications

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“…During baseline testing and rTMS-based language mapping, volunteers participated in an object-naming task, which has been frequently used in previous rTMS investigations [2, 6–8, 10–12]. The task consisted of a total amount of 100 colored photographs, similar to the objects of the Snodgrass and Vanderwart picture set (1980) [11–13].…”

Section: Methodsmentioning

confidence: 99%

“…When applied with high frequency during an object-naming task (repetitive nTMS = rTMS), this technique is able to elicit a transient impairment of language or speech performance within the scope of cortical mapping [6–9]. …”

Section: Introductionmentioning

confidence: 99%

“…Although language mapping based on rTMS is frequently used for preoperative neurosurgical diagnostics as well as neuroscientific trials, the spatial resolution of this method is largely unknown [1, 4–6, 10]. In this context, the spatial resolution of rTMS is regarded as the average of distances between language-positive and language-negative stimulation points.…”

Section: Introductionmentioning

confidence: 99%

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Results on the spatial resolution of repetitive transcranial magnetic stimulation for cortical language mapping during object naming in healthy subjects

et al. 2016

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BackgroundThe spatial resolution of repetitive navigated transcranial magnetic stimulation (rTMS) for language mapping is largely unknown. Thus, to determine a minimum spatial resolution of rTMS for language mapping, we evaluated the mapping sessions derived from 19 healthy volunteers for cortical hotspots of no-response errors. Then, the distances between hotspots (stimulation points with a high error rate) and adjacent mapping points (stimulation points with low error rates) were evaluated.ResultsMean distance values of 13.8 ± 6.4 mm (from hotspots to ventral points, range 0.7–30.7 mm), 10.8 ± 4.8 mm (from hotspots to dorsal points, range 2.0–26.5 mm), 16.6 ± 4.8 mm (from hotspots to apical points, range 0.9–27.5 mm), and 13.8 ± 4.3 mm (from hotspots to caudal points, range 2.0–24.2 mm) were measured.ConclusionsAccording to the results, the minimum spatial resolution of rTMS should principally allow for the identification of a particular gyrus, and according to the literature, it is in good accordance with the spatial resolution of direct cortical stimulation (DCS). Since measurement was performed between hotspots and adjacent mapping points and not on a finer-grained basis, we only refer to a minimum spatial resolution. Furthermore, refinement of our results within the scope of a prospective study combining rTMS and DCS for resolution measurement during language mapping should be the next step.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Results on the spatial resolution of repetitive transcranial magnetic stimulation for cortical language mapping during object naming in healthy subjects

et al. 2016

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“…It might be argued that the classical leftlateralization of speech-related processes is not compatible with the present involvement of the right inferior frontal gyrus in speech OEM. However, despite the dominance of the left hemisphere for speech, also the right hemisphere can be involved in many language tasks such as reading (Hauk, Johnsrude, & Pulvermuller, 2004), processing prosody (Gorelick & Ross, 1987;Mitchell & Crow, 2005;Sollmann, et al, 2014;Wildgruber, Ackermann, Klose, Kardatzki, & Grodd, 1996), speech automatization (Speedie, Wertman, Ta'ir, & Heilman, 1993), and meaning attribution (Taylor & Regard, 2003). Moreover, Brodmann's subdivision of Broca's area into area 44 and 45 can offer better understanding of its involvement in speech.…”

Section: Overlap Between Visuo-motor and Speech Oem Systems For Actionsmentioning

confidence: 99%

Inferior frontal oscillations reveal visuo-motor matching for actions and speech: evidence from human intracranial recordings

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Seeck²,

Blanke

et al. 2015

Neuropsychologia

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The neural correspondence between the systems responsible for the execution and recognition of actions has been suggested both in humans and non-human primates. Apart from being a key region of this visuo-motor observation-execution matching (OEM) system, the human inferior frontal gyrus (IFG) is also important for speech production. The functional overlap of visuo-motor OEM and speech, together with the phylogenetic history of the IFG as a motor area, has led to the idea that speech function has evolved from pre-existing motor systems and to the hypothesis that an OEM system may exist also for speech. However, visuo-motor OEM and speech OEM have never been compared directly. We used electrocorticography to analyze oscillations recorded from intracranial electrodes in human fronto-parieto-temporal cortex during visuo-motor (executing or visually observing an action) and speech OEM tasks (verbally describing an action using the first or third person pronoun). The results show that neural activity related to visuo-motor OEM is widespread in the frontal, parietal, and temporal regions. Speech OEM also elicited widespread responses partly overlapping with visuo-motor OEM sites (bilaterally), including frontal, parietal, and temporal regions. Interestingly a more focal region, the inferior frontal gyrus (bilaterally), showed both visuo-motor OEM and speech OEM properties independent of orolingual speech-unrelated movements. Building on the methodological advantages in human invasive electrocorticography, the present findings provide highly precise spatial and temporal information to support the existence of a modalityindependent action representation system in the human brain that is shared between systems for performing, interpreting and describing actions.

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“…Восстановление речи происходит гораздо успешнее через интеграцию до-ступных, имеющихся в распоряжении регионов ле-вого полушария, чем через подключение новых от-делов мозга в правом полушарии. Правое полушарие при этом может более активно подключаться к вос-становлению понимания речи [8], отвечать за не-лингвистические процессы при восстановлении ре-чи [1,2,9] либо за продуцирование и понимание простых слов [10,11]. При этом подчеркивается большая индивидуальность межполушарной орга-низации речевой системы [12].…”

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Dynamics of functional MRI and speech function in patients after resection of frontal and temporal lobe tumors

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et al. 2017

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Language and its right-hemispheric distribution in healthy brains: An investigation by repetitive transcranial magnetic stimulation

Cited by 63 publications

References 47 publications

Results on the spatial resolution of repetitive transcranial magnetic stimulation for cortical language mapping during object naming in healthy subjects

Results on the spatial resolution of repetitive transcranial magnetic stimulation for cortical language mapping during object naming in healthy subjects

Inferior frontal oscillations reveal visuo-motor matching for actions and speech: evidence from human intracranial recordings

Dynamics of functional MRI and speech function in patients after resection of frontal and temporal lobe tumors

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