Results 91 to 100 of about 609 (106)
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Supranuclear gaze palsy and hummingbird sign
Postgraduate Medical Journal, 2016Progressive supranuclear palsy (PSP) is a neurodegenerative disease caused by tau protein accumulation. It is also classified as an atypical parkinsonian syndrome. The main features of PSP are recurrent falling and vertical gaze palsy. Other manifestations are bradykinesia, cognitive dysfunction, erect posture, dysphagia and …
Mohammad, Rohani, Mostafa, Almasi
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Hummingbird sign in a patient with DNMT1 -related disorder
NeurocaseA 63-year-old woman presented with gait disturbance, progressive hearing loss, and sensory dominant polyneuropathy. Brain MRI mainly revealed midbrain tegmental atrophy (hummingbird sign). Genetic testing identified a heterozygous DNMT1 exon 21 mutation, previously linked to autosomal dominant cerebellar ataxia, deafness, and narcolepsy (ADCA-DN ...
Mitsuyoshi Tamura +5 more
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Artificial hummingbird algorithm: A new bio-inspired optimizer with its engineering applications
Computer Methods in Applied Mechanics and Engineering, 2022Weiguo Zhao +2 more
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Hummingbird-Pollinated Floras at Three Atlantic Forest Sites1
Biotropica, 2000Ivan Sazima
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["Hummingbird sign" and "Mickey Mouse sign" in progressive supranuclear palsy].
Ugeskrift for laeger, 2018Valentina, Makolli +2 more
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'Hummingbird sign', 'penguin sign' and 'Mickey mouse sign' in progressive supranuclear palsy.
The Journal of the Association of Physicians of India, 2013Shobha M, Itolikar +2 more
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Three-dimensional flow and lift characteristics of a hovering ruby-throated hummingbird
Journal of the Royal Society Interface, 2014Jialei Song +2 more
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