Publications
429 results found
Bronstein A, Kaski D, Cutfield N, et al., 2015, Head jolting nystagmus: head-shaking-induced occlusion of the horizontal semicircular canal, 1st Congress of the European-Academy-of-Neurology, Publisher: WILEY, Pages: 367-367, ISSN: 1351-5101
Kaski D, Bronstein A, Edwards M, et al., 2015, Functional (psychogenic) movement disorders of the eyes, face, and tongue., 1st Congress of the European-Academy-of-Neurology, Publisher: WILEY, Pages: 151-151, ISSN: 1351-5101
Cousins S, Kaski D, Cutfield N, et al., 2015, Clinical recovery after acute vestibular neuritis, 1st Congress of the European-Academy-of-Neurology, Publisher: WILEY, Pages: 364-364, ISSN: 1351-5101
Bronstein AM, Kaski D, Cutfield N, et al., 2015, Head-Jolting Nystagmus Occlusion of the Horizontal Semicircular Canal Induced by Vigorous Head Shaking, JAMA Otolaryngology-Head and Neck Surgery, Vol: 141, Pages: 757-760, ISSN: 2168-6181
Importance: We report a new syndrome, which we are calling head-jolting nystagmus, that expands the differential diagnosis of head movement–induced paroxysmal vertigo.Observations: Two male patients (65 and 58 years old) described rotational vertigo after violent and brief (1- to 2-second) oscillations of the head (head jolting) that triggered intense horizontal nystagmus lasting 45 seconds. Accelerations of the head required to induce these episodes could only be achieved by the patients themselves. In case 1, the episodes gradually disappeared over a 6-year period. In case 2, magnetic resonance imaging (3-T) suggested a filling defect within the left horizontal semicircular canal. He underwent surgical canal plugging in March 2013 that resolved the symptoms.Conclusions and Relevance: We attribute head-jolting nystagmus to dislodged material within the horizontal semicircular canal and provide a mechanistic model to explain its origin.
Malhotra PA, Bronstein AM, 2015, Antisaccades and executive dysfunction in PD: Two sides of the same coin?, MOVEMENT DISORDERS, Vol: 30, Pages: 745-746, ISSN: 0885-3185
Anastasopoulos D, Naushahi J, Sklavos S, et al., 2015, Fast gaze reorientations by combined movements of the eye, head, trunk and lower extremities, EXPERIMENTAL BRAIN RESEARCH, Vol: 233, Pages: 1639-1650, ISSN: 0014-4819
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- Citations: 8
Murdin L, Chamberlain F, Cheema S, et al., 2015, Motion sickness in migraine and vestibular disorders, JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY, Vol: 86, Pages: 585-+, ISSN: 0022-3050
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- Citations: 54
Nigmatullina Y, Arshad Q, Wu K, et al., 2015, HOW IMAGERY CHANGES SELF-MOTION PERCEPTION, NEUROSCIENCE, Vol: 291, Pages: 46-52, ISSN: 0306-4522
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- Citations: 12
Arshad Q, Patel M, Goga U, et al., 2015, Role of handedness-related vestibular cortical dominance upon the vestibular-ocular reflex, Journal of Neurology, Vol: 262, Pages: 1069-1071, ISSN: 0340-5354
Bronstein AM, Patel M, Arshad Q, 2015, A brief review of the clinical anatomy of the vestibular-ocular connections-how much do we know?, EYE, Vol: 29, Pages: 163-170, ISSN: 0950-222X
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- Citations: 30
Saifee TA, Kaski D, Buckwell D, et al., 2014, Tremor of the eyes in Parkinson's disease: Merely a measure of the head movement, PARKINSONISM & RELATED DISORDERS, Vol: 20, Pages: 1447-1448, ISSN: 1353-8020
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- Citations: 4
Harcourt J, Barraclough K, Bronstein AM, 2014, Meniere's disease, BMJ-BRITISH MEDICAL JOURNAL, Vol: 349, ISSN: 1756-1833
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- Citations: 53
Kaski D, Dominguez RO, Allum JH, et al., 2014, Combining physical training with transcranial direct current stimulation to improve gait in Parkinson's disease: a pilot randomized controlled study, CLINICAL REHABILITATION, Vol: 28, Pages: 1115-1124, ISSN: 0269-2155
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- Citations: 100
Cousins S, Cutfield NJ, Kaski D, et al., 2014, Visual Dependency and Dizziness after Vestibular Neuritis, PLOS One, Vol: 9, ISSN: 1932-6203
Symptomatic recovery after acute vestibular neuritis (VN) is variable, with around 50% of patients reporting long term vestibular symptoms; hence, it is essential to identify factors related to poor clinical outcome. Here we investigated whether excessive reliance on visual input for spatial orientation (visual dependence) was associated with long term vestibular symptoms following acute VN. Twenty-eight patients with VN and 25 normal control subjects were included. Patients were enrolled at least 6 months after acute illness. Recovery status was not a criterion for study entry, allowing recruitment of patients with a full range of persistent symptoms. We measured visual dependence with a laptop-based Rod-and-Disk Test and severity of symptoms with the Dizziness Handicap Inventory (DHI). The third of patients showing the worst clinical outcomes (mean DHI score 36–80) had significantly greater visual dependence than normal subjects (6.35° error vs. 3.39° respectively, pā=ā0.03). Asymptomatic patients and those with minor residual symptoms did not differ from controls. Visual dependence was associated with high levels of persistent vestibular symptoms after acute VN. Over-reliance on visual information for spatial orientation is one characteristic of poorly recovered vestibular neuritis patients. The finding may be clinically useful given that visual dependence may be modified through rehabilitation desensitization techniques.
Kaski D, Bronstein AM, 2014, Epley and beyond: an update on treating positional vertigo., Pract Neurol, Vol: 14, Pages: 210-221
Benign paroxysmal positional vertigo (BPPV) is the commonest cause of dizziness. It is characterised by brief episodes of vertigo and imbalance with nystagmus. The direction of nystagmus allows the identification of the culprit semicircular canal. As it is readily treatable--and often curable--BPPV should not be missed. Although recurrent episodes of vertigo triggered by movement suggest BPPV, the diagnosis can only be confirmed with the Dix-Hallpike manoeuvre. Here we review the diagnostic manoeuvres required to diagnose BPPV, and the various repositioning manoeuvres for treating different types of BPPV.
Patel M, Buckwell D, Hawken M, et al., 2014, Does outstretching the arms improve postural stability?, Neuroscience Letters, Vol: 579, Pages: 97-100, ISSN: 1872-7972
We spontaneously outstretch our arms when standing upon challenging surfaces, yet the effect of stretching the arms upon postural stability is unknown. We investigated whether stretching out the arms laterally improves postural control during tandem stance on a narrow beam. Twelve healthy participants stood upon a beam, right foot in front of the left foot, for 30 s with arms outstretched or down to the side, with eyes open and closed. Mediolateral head movement was characterised by Root Mean Square amplitude (RMS), sway path, velocity during the largest excursion and power spectrum. Spectra for lateral forces from a force platform beneath the beam were also recorded. Outstretching the arms significantly reduced RMS, sway path and velocity of maximum displacement of head movement with eyes closed but not with eyes open. A similar trend was present in the power spectra of head motion and sway platform lateral forces. In conclusion, outstretching the arms helps postural stability in challenging situations such as tandem stance on a narrow beam with eyes closed. Although the exact mechanisms require further investigation, the effects are most likely mediated by changes in segmental inertia and the ability to make corrective arm movements.
Ahmad H, Arshad Q, Siddiqui S, et al., 2014, Applications of neuromodulation to explore vestibular cortical processing; new insights into the effects of direct current cortical modulation upon pursuit, VOR and VOR suppression, JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION, Vol: 24, Pages: 453-458, ISSN: 0957-4271
Kaski D, Allum JH, Bronstein AM, et al., 2014, Applying anodal tDCS during tango dancing in a patient with Parkinson's disease, NEUROSCIENCE LETTERS, Vol: 568, Pages: 39-43, ISSN: 0304-3940
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- Citations: 42
Ahmad H, Bronstein A, 2014, Superficial siderosis: important consideration in differential diagnosis of syringomyelia, Joint Congress of European Neurology, Publisher: SPRINGER HEIDELBERG, Pages: S406-S406, ISSN: 0340-5354
Kaski D, Quadir S, Nigmatullina Y, et al., 2014, Human angular path integration, timing and temporoparietal junction, Joint Congress of European Neurology, Publisher: WILEY-BLACKWELL, Pages: 283-283, ISSN: 1351-5101
Ahmad H, Bronstein A, 2014, Superficial siderosis: important consideration in differential diagnosis of syringomyelia, Joint Congress of European Neurology, Publisher: WILEY-BLACKWELL, Pages: 624-624, ISSN: 1351-5101
Bronstein AM, Kaski D, Cutfield N, et al., 2014, Head jolting vertigo and nystagmus: a new vestibular syndrome?, Joint Congress of European Neurology, Publisher: WILEY-BLACKWELL, Pages: 72-72, ISSN: 1351-5101
Ahmad H, Patel M, Arshad Q, et al., 2014, Cortical modulation of vestibulo-ocular reflexes as revealed with tDCS (transcranial direct current stimulation), Joint Congress of European Neurology, Publisher: WILEY-BLACKWELL, Pages: 274-274, ISSN: 1351-5101
Ahmad H, Patel M, Arshad Q, et al., 2014, Cortical modulation of vestibulo-ocular reflexes as revealed with tDCS (transcranial direct current stimulation), Joint Congress of European Neurology, Publisher: SPRINGER HEIDELBERG, Pages: S188-S188, ISSN: 0340-5354
Kaski D, Quadir S, Nigmatullina Y, et al., 2014, Human angular path integration, timing and the temporoparietal junction, Joint Congress of European Neurology, Publisher: SPRINGER HEIDELBERG, Pages: S194-S194, ISSN: 0340-5354
Bronstein AM, Kaski D, Cutfield N, et al., 2014, Head jolting vertigo and nystagmus: a new vestibular syndrome?, Joint Congress of European Neurology, Publisher: SPRINGER HEIDELBERG, Pages: S54-S54, ISSN: 0340-5354
Patel M, Kaski D, Bronstein AM, 2014, Attention modulates adaptive motor learning in the ‘broken escalator’ paradigm, Experimental Brain Research, Vol: 232, Pages: 2349-2357, ISSN: 1432-1106
The physical stumble caused by stepping onto a stationary (broken) escalator represents a locomotor aftereffect (LAE) that attests to a process of adaptive motor learning. Whether such learning is primarily explicit (requiring attention resources) or implicit (independent of attention) is unknown. To address this question, we diverted attention in the adaptation (MOVING) and aftereffect (AFTER) phases of the LAE by loading these phases with a secondary cognitive task (sequential naming of a vegetable, fruit and a colour). Thirty-six healthy adults were randomly assigned to 3 equally sized groups. They performed 5 trials stepping onto a stationary sled (BEFORE), 5 with the sled moving (MOVING) and 5 with the sled stationary again (AFTER). A ‘Dual-Task-MOVING (DTM)’ group performed the dual-task in the MOVING phase and the ‘Dual-Task-AFTEREFFECT (DTAE)’ group in the AFTER phase. The ‘control’ group performed no dual task. We recorded trunk displacement, gait velocity and gastrocnemius muscle EMG of the left (leading) leg. The DTM, but not the DTAE group, had larger trunk displacement during the MOVING phase, and a smaller trunk displacement aftereffect compared with controls. Gait velocity was unaffected by the secondary cognitive task in either group. Thus, adaptive locomotor learning involves explicit learning, whereas the expression of the aftereffect is automatic (implicit). During rehabilitation, patients should be actively encouraged to maintain maximal attention when learning new or challenging locomotor tasks.
Arshad Q, Nigmatullina Y, Bronstein AM, 2014, Unidirectional visual motion adaptation induces reciprocal inhibition of human early visual cortex excitability, CLINICAL NEUROPHYSIOLOGY, Vol: 125, Pages: 798-804, ISSN: 1388-2457
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- Citations: 6
Lee P-Y, Gadareh K, Bronstein AM, 2014, Forward-backward postural protective stepping responses in young and elderly adults, HUMAN MOVEMENT SCIENCE, Vol: 34, Pages: 137-146, ISSN: 0167-9457
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- Citations: 20
Bronstein AM, Plant GT, 2014, EYEE: exciting year for eyes and ears, CURRENT OPINION IN NEUROLOGY, Vol: 27, Pages: 66-68, ISSN: 1350-7540
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- Citations: 1
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