Academic literature on the topic 'Contralesional Limb'

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Journal articles on the topic "Contralesional Limb"

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Vaishnavi, Sandeep, Jesse Calhoun, and Anjan Chatterjee. "Binding Personal and Peripersonal Space: Evidence from Tactile Extinction." Journal of Cognitive Neuroscience 13, no. 2 (2001): 181–89. http://dx.doi.org/10.1162/089892901564243.

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Behavioral and neurophysiological studies suggest that the brain constructs different representations of space. Among these representations are personal and peripersonal space. Personal space refers to the space occupied by our bodies. Peripersonal space refers to the space surrounding our bodies, which can be reached by our limbs. How these two representations are bound to give a unified sense of space in which humans act is not clear. We tested 10 patients with tactile extinction to investigate this issue. Tactile extinction is an attentional disorder in which patients are unaware of being t
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Johnson, Scott H., Gwen Sprehn, and Andrew J. Saykin. "Intact Motor Imagery in Chronic Upper Limb Hemiplegics: Evidence for Activity-Independent Action Representations." Journal of Cognitive Neuroscience 14, no. 6 (2002): 841–52. http://dx.doi.org/10.1162/089892902760191072.

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Four experiments were undertaken to examine the effects of chronic hemiplegia on the ability to internally represent actions involving either the paralyzed (contralesional) or relatively unaffected (ipsilesional) limb. An experimental group of chronic, densely hemiplegic patients was compared with controls who experienced nearly full recovery from an initially dense hemiparesis. All participants suffered cerebral vascular accidents that spared sites in premotor and parietal areas directly involved in representing upper limb actions. Despite chronic limb immobility, hemiplegic patients performe
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Kerr, Abigail L. "Contralesional plasticity following constraint-induced movement therapy benefits outcome: contributions of the intact hemisphere to functional recovery." Reviews in the Neurosciences 33, no. 3 (2021): 269–83. http://dx.doi.org/10.1515/revneuro-2021-0085.

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Abstract Stroke is a leading cause of death and disability worldwide. A common, chronic deficit after stroke is upper limb impairment, which can be exacerbated by compensatory use of the nonparetic limb. Resulting in learned nonuse of the paretic limb, compensatory reliance on the nonparetic limb can be discouraged with constraint-induced movement therapy (CIMT). CIMT is a rehabilitative strategy that may promote functional recovery of the paretic limb in both acute and chronic stroke patients through intensive practice of the paretic limb combined with binding, or otherwise preventing activat
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Tam, Pui Kit, Nicodemus Edrick Oey, Ning Tang, Guhan Ramamurthy, and Effie Chew. "Facilitating Corticomotor Excitability of the Contralesional Hemisphere Using Non-Invasive Brain Stimulation to Improve Upper Limb Motor Recovery from Stroke—A Scoping Review." Journal of Clinical Medicine 13, no. 15 (2024): 4420. http://dx.doi.org/10.3390/jcm13154420.

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Upper limb weakness following stroke poses a significant global psychosocial and economic burden. Non-invasive brain stimulation (NIBS) is a potential adjunctive treatment in rehabilitation. However, traditional approaches to rebalance interhemispheric inhibition may not be effective for all patients. The supportive role of the contralesional hemisphere in recovery of upper limb motor function has been supported by animal and clinical studies, particularly for those with severe strokes. This review aims to provide an overview of the facilitation role of the contralesional hemisphere for post-s
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Cleland, Brice T., and Sangeetha Madhavan. "Ipsilateral Motor Pathways and Transcallosal Inhibition During Lower Limb Movement After Stroke." Neurorehabilitation and Neural Repair 35, no. 4 (2021): 367–78. http://dx.doi.org/10.1177/1545968321999049.

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Background Stroke rehabilitation may be improved with a better understanding of the contribution of ipsilateral motor pathways to the paretic limb and alterations in transcallosal inhibition. Few studies have evaluated these factors during dynamic, bilateral lower limb movements, and it is unclear whether they relate to functional outcomes. Objective Determine if lower limb ipsilateral excitability and transcallosal inhibition after stroke depend on target limb, task, or number of limbs involved, and whether these factors are related to clinical measures. Methods In 29 individuals with stroke,
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Kakinoki, Ryosuke, Scott F. M. Duncan, Ryosuke Ikeguchi, et al. "Motor and Sensory Cortical Changes after Contralateral Cervical Seventh Nerve Root (CC7) Transfer in Patients with Brachial Plexus Injuries." Journal of Hand Surgery (Asian-Pacific Volume) 22, no. 02 (2017): 138–49. http://dx.doi.org/10.1142/s0218810417500162.

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Background: Previous animal studies demonstrated that the sensory and motor functions in ipsilesional upper limbs that had been reconstructed by CC7 transfer eventually associated with the contralesional brain cortices that had originally mediated the functions of the ipsilesional upper limbs before brachial plexus injury (BPI). Our hypothesis was that the same findings would be seen in humans.Methods: Four patients with total BPI treated with CC7 transfer were included. Changes in the locations of the activated areas in the primary motor (M1) and somatosensory (S1) cortices corresponding to t
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Hammerbeck, Ulrike, Sarah F. Tyson, Prawin Samraj, Kristen Hollands, John W. Krakauer, and John Rothwell. "The Strength of the Corticospinal Tract Not the Reticulospinal Tract Determines Upper-Limb Impairment Level and Capacity for Skill-Acquisition in the Sub-Acute Post-Stroke Period." Neurorehabilitation and Neural Repair 35, no. 9 (2021): 812–22. http://dx.doi.org/10.1177/15459683211028243.

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Background. Upper-limb impairment in patients with chronic stroke appears to be partly attributable to an upregulated reticulospinal tract (RST). Here, we assessed whether the impact of corticospinal (CST) and RST connectivity on motor impairment and skill-acquisition differs in sub-acute stroke, using transcranial magnetic stimulation (TMS)–based proxy measures. Methods. Thirty-eight stroke survivors were randomized to either reach training 3-6 weeks post-stroke (plus usual care) or usual care only. At 3, 6 and 12 weeks post-stroke, we measured ipsilesional and contralesional cortical connect
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Vanbellingen, Tim, Beatrice Ottiger, Noortje Maaijwee, et al. "Spatial Neglect Predicts Upper Limb Use in the Activities of Daily Living." Cerebrovascular Diseases 44, no. 3-4 (2017): 122–27. http://dx.doi.org/10.1159/000477500.

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Background and Purpose: Motor tests performed at stroke onset have been shown to predict the recovery of upper limb motor impairment. Less is known about upper limb recovery at the level of functional activity or of participation and how spatial neglect may influence the integration of the upper limb in the activities of daily living (ADL). Our objective was to investigate whether the initial severity of spatial neglect may predict upper limb use in ADL. Methods: Eighty-two patients with a right-hemispheric stroke (RHS) were prospectively included in the study. They were assessed twice in the
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Robertson, Ian H., Karen Hogg, and Tom M. McMillan. "Rehabilitation of Unilateral Neglect: Improving Function by Contralesional Limb Activation." Neuropsychological Rehabilitation 8, no. 1 (1998): 19–29. http://dx.doi.org/10.1080/713755556.

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Maenza, Candice, David C. Good, Carolee J. Winstein, David A. Wagstaff, and Robert L. Sainburg. "Functional Deficits in the Less-Impaired Arm of Stroke Survivors Depend on Hemisphere of Damage and Extent of Paretic Arm Impairment." Neurorehabilitation and Neural Repair 34, no. 1 (2019): 39–50. http://dx.doi.org/10.1177/1545968319875951.

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Background. Previous research has detailed the hemisphere dependence and specific kinematic deficits observed for the less-affected arm of patients with unilateral stroke. Objective. We now examine whether functional motor deficits in the less-affected arm, measured by standardized clinical measures of motor function, also depend on the hemisphere that was damaged and on the severity of contralesional impairment. Methods. We recruited 48 left-hemisphere-damaged (LHD) participants, 62 right-hemisphere-damaged participants, and 54 age-matched control participants. Measures of motor function incl
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Book chapters on the topic "Contralesional Limb"

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Driver, Jon, and Patrik Vuilleumier. "Unconscious Processing in Neglect and Extinction." In Out of Mind. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198506300.003.0007.

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Abstract Unilateral spatial neglect is a complex neurological disorder after unilateral brain damage, usually to the right hemisphere. It has many components, but is generally characterized by a lack of conscious perception, and of spatially directed action, for stimuli on the side of space contralateral to the brain damage (i.e. usually towards the left). Neglect patients not only fail to notice stimuli on the contralesional side of space, but often appear inadequate at exploring for them. They may ignore people approaching from the contralesional side; miss words or letters when reading; inc
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Conference papers on the topic "Contralesional Limb"

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Xiong, Xin, Hewei Wang, Xu Wang, Limin Sun, and Xiaoli Guo. "Motor Imagery Training Reduces Contralesional Compensation in Stroke Patients with Moderate to Severe Upper Limb Impairment." In 2021 10th International IEEE/EMBS Conference on Neural Engineering (NER). IEEE, 2021. http://dx.doi.org/10.1109/ner49283.2021.9441125.

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