Sensation and Perception.—I.

Experiencing Sensation and Perception

Motility and Visceral Sensation

Aims: Dyschesia can be provoked by inappropriate defecation movements. The aim of this prospective study was to demonstrate dysfunction of the anal sphincter and/or the musculus (m.) puborectalis in patients with dyschesia using anorectal endosonography. Methods: Twenty consecutive patients with a medical history of dyschesia and a control group of 20 healthy subjects underwent linear anorectal...

Afterimages and Sensation

According to purists, visual experience can be exhaustively characterised in terms of a subject’s apparent perspective on external, public reality. Visual experience presents us (or if we are subject to illusion, apparently presents us) with aspects of the world beyond us—nothing more, nothing less. According to sensationalists, we cannot adequately characterise experience solely in terms of a ...

Worm sensation!

Mechanosensation plays a pivotal role in many aspects of pain pathology, yet the mammalian molecular transduction apparatus responsible for this sensory modality remains unknown. In January's edition of Nature Neuroscience, O'Hagan, Chalfie and Goodman [1] have provided direct electrophysiological evidence that somatic mechanotransduction in C. elegans is mediated by a complex of proteins previ...

Cutaneous Sensation

ORTHOPAEDICS. By J. Crawford Adams, M.D., M.S., F.R.C.S. (Pp. 476; figs. 361. 40s.). Edinburgh & London: E. & S. Livingstone, 1967. THEi first edition of this book appeared in 1956, so that the appearance of this sixth edition means there has been a new edition every two years. Not only does this show very energetic re-writing by the author, but it points most effectively to the immense popular...