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Query: EC:2.3.1.177 (BIS)
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Continuous Performance Tests (CPTs) provide information on attentional processing and impulsive behavior. The results of previous research that used self-report measures have provided evidence for familial transmission (through genetic and/or environmental influences) of impulsive characteristics. The authors of the present study examined whether the impulsive behavioral parameters that are measured by the CPT also share familial relationships. The researchers asked 26 healthy parent-adolescent pairs to complete the Immediate and Delayed Memory Tasks (IMT/DMT; D. M. Dougherty, 1999; D. M. Dougherty, D. M. Marsh, & C. W. Mathias, 2002), a modified CPT (B. A. Cornblatt, N. J. Risch, G. Faris, D. Friedman, & L. Erlenmeyer-Kimling, 1988; H. E. Rosvold, A. Mirsky, I. Sarason, E. D. Breansome, Jr., & L. H. Beck, 1956), and the Barratt Impulsiveness Scale (BIS; J. H. Patton, M. S. Stanford, & E. S. Barratt, 1995), a self-report measure. The main findings can be summarized as follows: (a) commission errors (but not correct detections) on the IMT and DMT were correlated between parents and their adolescent children, (b) adolescents emitted a higher proportion of commission errors than did their parents, and (c) self-reported impulsivity (i.e., BIS) was correlated with commission errors for parents, but not for adolescents. The findings of this study support the use of an objective behavioral measure of impulsivity to assess familial relationships of impulsivity.
J Gen Psychol 2003 Jan
PMID:Familial transmission of Continuous Performance Test behavior: attentional and impulsive response characteristics. 1263 53

In this emergency case of a fractured tooth, immediate short-term treatment was necessary to relieve pain and replace a missing coronal portion of the maxillary central incisor. The need to remove additional fractured root fragments subgingivally precluded accessibility to the remaining root for conventional restorative procedures. The patient could not decide which course of treatment to accept, so a fixed partial denture was fabricated, with the ceramometal crown restoration as a provisional pontic splinted to the adjacent teeth. Restoring and reinforcing the posterior composite splint with a gas plasma-treated woven polyethylene ribbon has been detailed and illustrated. This ribbon material reputed to be 10 times stronger than steel by volume, is a true reinforcing material because it is woven. Mechanically, it becomes an integral part of the splint. Because it is gas plasma-treated, the superficial layer, when placed in BIS-GMA or polymethyl methacrylate, reacts chemically with the resin. The pliable, memory-free fiber--together with the open, woven, lacelike, lock stitch leno--allows the ribbon to follow the contours of the teeth and dental arch easily. The ribbon design reduces and dissipates forces exerted onto the splinting resin. The neutral color of the material permits it to have a chameleonlike effect on the color of the resin into which it is positioned. This ribbon product has been used in other dental applications: periodontal splinting, orthodontic retention, indirect composite fixed partial dentures, long-term temporary restorations with applicability in implant treatments, repair and conversion of prostheses, and reinforcing endodontically treated teeth, and complete dentures and orthodontic retainers when weaknesses are anticipated, such as shallow palatal vaults of complete dentures against a full complement of mandibular natural teeth, and the horseshoe mandibular removable modified Hawley retainer.
Gen Dent
PMID:Emergency direct fabrication of a resin fixed partial denture by using a ceramometal crown with reinforcing woven polyethylene ribbon as a pontic. 2308 70