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At least 1,495 records · Page 83Linked to original sources
PubMed2002

Electrophysiological estimates of the time course of semantic and phonological encoding during listening and naming.

Current psycholinguistic models suggest that we know what we want to say before we decide how we are going to say it: in other words, for speaking, word meaning is activated prior to information about syntax and phonology. Listening likely involves the reverse order of processes: phonological processing before meaning activation. We examined the relative time courses of phonological and semantic processing during language production and comprehension using event-related brain potentials (ERPs). Participants viewed a series of pictures (with the instruction to covertly name the depicted item), or heard a series of words, and made dual choice Go/noGo decisions based on each item's conceptual (whether the item was an animal or an object) and phonological features (whether the item's German name started with a vowel or a consonant). During picture naming, the N200 component (related to response inhibition) indicated that conceptual processing preceded phonological processing by about 170ms. During auditory word processing, on the other hand, the brain activity related to these two aspects of comprehension indicated some temporal overlap with the N200 to phonological processing preceding that to semantic processing by only about 85ms. In sum, the data are compatible with current psycholinguistic models of speech production and comprehension and argue for serial or widely spaced cascaded processing during production but more parallel processing of information during comprehension.

Adult↗
PubMed1995

Medicare program; uniform electronic cost reporting system for hospitals--HCFA. Final rule.

This final rule responds to comments on the May 25, 1994, final rule with comment period that implemented a standardized electronic cost reporting system for all hospitals under the Medicare program. In that rule, we solicited comments on the requirement that cost reporting software be able to detect changes made to the electronic file after the provider has submitted it to the fiscal intermediary. This final rule responds to comments on that requirement and clarifies that although changes to the "as-filed" electronic cost report are prohibited, an intermediary makes a working copy of the as-filed electronic cost report for use in the settlement process.

Accounting↗
PubMed1989

The role of microcomputers in electronic health claims processing.

This article explores the state-of-the-art in electronic health claims processing. Beginning with an examination of the step-by-step manual process, it moves on to explore the current use of microcomputers to both speed up the processing, and to improve the accuracy and completeness of claim submission. The article also examines some of the benefits cited by microcomputer claims systems users, and it concludes with a look at what features could be incorporated in the future to create a fully electronic claims processing environment.

Computer Communication Networks↗
PubMed2004

Use of a computerized evaluation system in a psychiatry clerkship.

OBJECTIVE: Paper-based evaluations of medical students on clerkships are inefficient and time consuming to compile and analyze. To improve the evaluation process, the authors developed a web-based program. METHODS: A secure web-based system was designed to collect evaluations of students and their feedback about the clerkship. Acceptance, compliance, and impact of the web-based system on the clerkship were assessed. RESULTS: The web-based program was universally accepted by medical students who have been 100% compliant with prompt completion of their evaluations of the rotation. Most of the preceptors have utilized the program, resulting in a more timely receipt of their evaluations of students. The web-based program computes numerical scores, compiles comments, and formats reports. The clerkship director has unlimited access to all of the data, which allows for efficient and timely communication with preceptors, medical students, and the dean's office. CONCLUSIONS: During the clerkship, the web-based program for evaluation and feedback has improved the efficiency of the evaluation process and the timely communication with students and preceptors.

Clinical Clerkship↗
PubMed2005

Human and system errors, using adaptive turnaround documents to capture data in a busy practice.

Capturing coded clinical data for clinical decision support can improve care, but cost and disruption of clinic workflow present barriers to implementation. Previous work has shown that tailored, scannable paper forms (adaptive turnaround documents, ATDs) can achieve the benefits of computer-based clinical decision support at low cost and minimal disruption of workflow. ATDs are highly accurate under controlled circumstances, but accuracy in the setting of busy clinics with untrained physician users is untested. We recently developed and implemented such a system and studied rates of errors attributable to physician users and errors in the system. Prompts were used in 63% of encounters. Errors resulting from incorrectly marking forms occurred in 1.8% of prompts. System errors occurred in 7.2% of prompts. Most system errors were failures to capture data and may represent human errors in the scanning process. ATDs are an effective way to collect coded data from physicians. Further automation of the scanning process may reduce system errors.

Ambulatory Care Information Systems↗
PubMed1986

Data quality in a distributed data processing system: the SHEP Pilot Study.

The Systolic Hypertension in the Elderly Program (SHEP) Pilot was a collaborative clinical trial that distributed to the clinics all data processing tasks except for randomization assignment codes and morbidity and mortality data. The clinics used customized programs to enter and verify data interactively, to maintain their own local master files, and to transmit the data electronically to the Coordinating Center. We measured quality control based on criteria from centralized as well as distributed models: the error rate for baseline forms was 0.5 per 1000 items. Ninety-eight percent of the forms were query-free, and a central reentry of the data in a 5% sample yielded a miskey rate of 2 per 1000 items. The potential problems of distributed data processing are vulnerability of the local master files and the time demands on Coordinating Center programmers for maintaining clinic computer systems. The advantages are the active involvement of clinic staff in their own quality control, the functional accessibility of the clinics to the Coordinating Center in controlling protocol decisions and data monitoring, and the level of accuracy, completeness, and timeliness of the data that can be achieved.

Aged↗