Abstract：
:The generation and presentation of tactile stimuli presents a unique challenge. Unlike vision and audition, in which standard equipment such as monitors and audio systems can be used for most experiments, tactile stimuli and/or stimulators often have to be tailor-made for a given study. Here, we present a novel tactile stimulator designed to present arbitrary spatio-temporal stimuli to the skin. The stimulator consists of 400 pins, arrayed over a 1cm(2) area, each under independent computer control. The dense array allows for an unprecedented number of stimuli to be presented within an experimental session (e.g., up to 1200 stimuli per minute) and for stimuli to be generated adaptively. The stimulator can be used in a variety of modes and can deliver indented and scanned patterns as well as stimuli defined by mathematical spatio-temporal functions (e.g., drifting sinusoids). We describe the hardware and software of the system, and discuss previous and prospective applications.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
Killebrew JH,Bensmaïa SJ,Dammann JF,Denchev P,Hsiao SS,Craig JC,Johnson KOdoi
10.1016/j.jneumeth.2006.10.012subject
Has Abstractpub_date
2007-03-30 00:00:00pages
62-74issue
1eissn
0165-0270issn
1872-678Xpii
S0165-0270(06)00507-3journal_volume
161pub_type
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