SciCombinator

Discover the most talked about and latest scientific content & concepts.

Concept: Cortical homunculus

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PURPOSE: The purposes of this descriptive study were (a) to identify the relative frequencies of a priori categories of phantom limb pain (PLP) quality descriptors reported by Mid-Southerners with limb loss, (b) to analyze their descriptions for emerging categories of PLP, and © to identify the relative frequencies of the emerging categories. DESIGN: This cross-sectional descriptive verbal survey assessed PLP descriptors. A content analyses determined relative frequencies of a priori PLP descriptors as well as emerging categories that were identified. FINDINGS: The most common a priori PLP quality descriptors reported by 52 amputees with PLP were intermittent, tingling/needles/numb, sharp, cramping, burning, and stabbing. The most common emerging categories reported were pain compared to illness/injury, electrical cyclical, and manipulated/positional. CONCLUSION: The detailed descriptions of PLP provide insight into the vivid experiences of PLP. CLINICAL RELEVANCE: Rehabilitation nurses can use this information with PLP assessment, patient teaching, and counseling.

Concepts: Amputation, Proprioception, Phantom limb, Phantom pain, Illusion, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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Post amputation, the complication of phantom limb pain (PLP) is prevalent and difficult to manage. This study aimed to determine whether it was feasible and acceptable to undertake a definitive multicentred randomised controlled trial assessing the effectiveness of acupuncture for treating lower limb amputees with PLP.

Concepts: Syndromes, Amputation, Proprioception, Phantom limb, Phantom pain, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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We developed a quantitative method to measure movement representations of a phantom upper limb using a bimanual circle-line coordination task (BCT). We investigated whether short-term neurorehabilitation with a virtual reality (VR) system would restore voluntary movement representations and alleviate phantom limb pain (PLP).

Concepts: Scientific method, Upper limb, Virtual reality, Phantom limb, Phantom pain, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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Cortex plasticity after hand amputation is considered harmful, causing phantom limb pain. A new study shows that cortical overtake can occur instead in a compensatory manner in people born with one hand, for multiple body parts used to overcome disability.

Concepts: Cerebral cortex, Amputation, Proprioception, Phantom limb, Phantom pain, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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We utilized MRI to measure CBV in patients who had undergone unilateral arm amputation following electrical injury to investigate changes in the pain network associated with phantom limb pain.

Concepts: Amputation, Proprioception, Phantom limb, Phantom pain, Illusion, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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To prospectively evaluate percutaneous image-guided nerve cryoablation for treatment of refractory phantom limb pain (PLP) in a pilot cohort for purposes of deriving parameters to design a larger, randomized, parallel-armed, controlled trial.

Concepts: Amputation, Proprioception, Phantom limb, Phantom pain, Illusion, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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To determine the frequency of phantom limb sensation (PLS) and phantom limb pain (PLP) in children and young adults suffering landmine-related amputation.

Concepts: Amputation, Proprioception, Phantom limb, Phantom pain, Illusion, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus

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Phantom limb pain (PLP) is a major problem after limb amputation. Mirror therapy (MT) is a non-pharmacological treatment using representations of movement, the efficacy of which in reducing PLP remains to be clarified. Here, we present the first systematic review on MT efficacy in PLP and phantom limb movement (PLM) in amputees (lower or upper limb).

Concepts: Amputation, Upper limb, Proprioception, Phantom limb, Phantom pain, Mirror box, Vilayanur S. Ramachandran, Cortical homunculus