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symmetric relation

Overview page. Subjects: Computing.

A binary relation ∼ on a set S is symmetric if, for all a and b in S, whenever ab then ba.

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The Riddoch syndrome: insights into the neurobiology of conscious vision.

S Zeki and D H Ffytche.

in Brain

January 1998; p ublished online January 1998 .

Journal Article. Subjects: Neurology; Neuroscience. 0 words.

We have studied a patient, G.Y., who was rendered hemianopic following a lesion affecting the primary visual cortex (area VI), sustained 31 years ago, with the hope of characterizing his...

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Frontotemporal dementia with the C9ORF72 hexanucleotide repeat expansion: clinical, neuroanatomical and neuropathological features

Colin J. Mahoney, Jon Beck, Jonathan D. Rohrer, Tammaryn Lashley, Kin Mok, Tim Shakespeare, Tom Yeatman, Elizabeth K. Warrington, Jonathan M. Schott, Nick C. Fox, Martin N. Rossor, John Hardy, John Collinge, Tamas Revesz, Simon Mead and Jason D. Warren.

in Brain

March 2012; p ublished online February 2012 .

Journal Article. Subjects: Neurology; Neuroscience. 7124 words.

An expanded hexanucleotide repeat in the C9ORF72 gene has recently been identified as a major cause of familial frontotemporal lobar degeneration and motor neuron disease, including cases...

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