unexpected improvement of hand motor function with a left temporoparietal low-frequency repetitive transcranial magnetic stimulation regime suppressing auditory hallucinations in a brainstem chronic stroke patient
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2017
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Abstract
We here report paradoxical hand function recovery in a 61-year-old male tetra-paretic chronic patient following a stroke of the brainstem (with highly degraded right and abolished left-hand finger flexion/extension disabling him to manipulate objects) who experienced insidious auditory hallucinations (AHs) 4 years after such event. Symptomatic treatment for AHs was provided with periodical double sessions of low-frequency repetitive transcranial magnetic stimulation (rTMS) (daily 1 Hz, 2 × 1,200 pulses interleaved by 1 h interval) delivered to the left temporoparietal junction across two periods of 5 and 3 weeks, respectively. At the end of each stimulation period, AHs disappeared completely. Most surprisingly and totally unexpectedly, the patient experienced beneficial improvements of long-lasting impairments in his right-hand function. Detailed examination of onset and offset of rTMS stimulation regimes strongly suggests a temporal relation with the remission and re-appearance of AHs and also with a fragile but clinically meaningful improvements of right (but not left) hand function contingent to the accrual of stimulation sessions. On the basis of post-recovery magnetic resonance imaging structural and functional evidence, mechanistic hypotheses that could subtend such unexpected motor recovery are critically discussed.
| Reference Key |
thomas2017frontiersunexpected
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| Authors | ;Fanny Thomas;Fanny Thomas;Noomane Bouaziz;Julià L. Amengual;Palmyre Schenin-King Andrianisaina;Christian Gaudeau-Bosma;Virginie Moulier;Antoni Valero-Cabré;Antoni Valero-Cabré;Antoni Valero-Cabré;Antoni Valero-Cabré;Dominique Januel |
| Journal | journal of experimental psychology general |
| Year | 2017 |
| DOI |
10.3389/fpsyt.2017.00262
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| URL | |
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