Publications by authors named "Steven C Lewis"
Article Synopsis
- Computerized neurocognitive assessment tools (NCATs) are being utilized for concussion evaluations in military populations, but their reliability has been inconsistent.
- A study evaluated the test-retest reliability of four NCATs (ANAM4, CNS-Vital Signs, CogState, and ImPACT) among 419 active duty military members, with 215 returning for retesting after 30 days.
- While some NCATs showed adequate reliability, particularly ImPACT, the overall results indicate that their reliability still falls short of the ideal standards needed for making clinical decisions.
This report provides a summary of the objectives, organization, structure and charge for the naphthalene state of the science symposium (NS(3)), Monterey, CA, October 9-12, 2006. A 1-day preliminary conference was held followed by a 3-day state of the science symposium covering four topics judged by the Planning Committee to be crucial for developing valid and reliable scientific estimates of low-dose human cancer risk from naphthalene. The Planning Committee reviewed the relevant scientific literature to identify singularly knowledgeable researchers and a pool of scientists qualified to serve as expert panelists.
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- * The use of body concentration ("body burden") as a dose metric is favored over administered dose for better cross-species risk comparisons due to differences in elimination rates and persistence of TCDD.
- * Despite the advantages of body burden metrics, there remain substantial differences in sensitivity across species, which necessitates careful consideration of human sensitivity in risk assessments and further research for better interspecies understanding.