Electrodermal lability in anxiety disorders

Twenty-eight anxiety patients, aged below 50 years, were diagnosed according to DSM-III-R criteria (panic disorder with and without agoraphobia, generalised anxiety disorder, and anxiety disorder not otherwise specified). The patients were characterised by high levels of state and trait anxiety and neuroticism, compared with the controls. However, there were no differences between patients and controls in electrodermal habituation rate, non-specific activity, or skin resistance level. When the patients were divided into electrodermally labile and stable subjects, significant differences were found between patients and controls in both electrodermal activity and Eysenck's personality dimensions. The labile patients were more introverted and attained higher psychoticism scores than either the stable patients or controls. Duration of anxiety symptoms removed the difference found in extroversion, but not in any other variable. The results are discussed in relation to the utility of electrodermal measurements in validation of diagnostic entities. It is concluded, that from the psychophysiological point of view, anxiety disorders may be examined within a dimensional framework.     

Acquisition of locational information about reference points during blindfolded and sighted locomotion: Effects of a concurrent task and locomotion paths

Acquisition of cognitive maps (locational information about reference points) was investigated by requiring subjects to walk repeatedly according to paths consisting of 2, 4 and 6 linear segments. The starting point of each path was designated as a reference point, to which direction and distance were estimated by the subjects at the end of the path. Acquisition was indicated by the finding that variable errors and latencies decreased across blocks of trials. Interfering with central processing of locational information during locomotion by means of a concurrent task, while impairing orientation performance, did not seem to prevent acquisition. As suggested by an increase in latencies with the number of path segments, the subjects performing the concurrent task may have been able to infer and store the location of the starting point after walking. Finally, orientation performance did not improve for blindfolded subjects, probably because they were unable to use stored information about locations.     

Amnesic effects of diazepam: "Drug dependence" explained by state-dependent learning

An experimental study on 12 healthy volunteers showed that an amnesic effect of a therapeutic dose of diazepam (10 mg 3 times a day) may be explained by a theory of state-dependent learning. Asymmetric state-dependence was demonstrated by visually as well as verbally learned material, but in the latter case there was also evidence of an anticonsolidating effect upon learning. The findings are related to drug dependence, and it is suggested that therapeutic gains obtained during long-term diazepam treatment may not transfer to the no-drug state.     

THE EFFECTS OF INFORMATION MANAGEMENT POLICIES ON REACTIONS TO HUMAN RESOURCE INFORMATION SYSTEMS: AN INTEGRATION OF PRIVACY AND PROCEDURAL JUSTICE PERSPECTIVES

The goal of the present study was to extend research on information privacy and fairness by examining these constructs within the context of human resource information systems. Using a 2 × 2 experimental design and data from 124 employed subjects in an organization that was in the process of developing a human resource information system, the present study examined the main and interactive effects of policies concerning ability to authorize disclosure (ability to authorize vs. no ability to authorize) and target of disclosure (internal to the organization vs. external to the organization) on invasion of privacy perceptions and fairness perceptions. Results of multivariate and univariate analyses of variance indicated that the independent variables had main and interactive effects on both fairness perceptions and invasion of privacy perceptions. Moreover, a confirmatory factor analysis suggested that invasion of privacy perceptions and fairness perceptions are distinct constructs. Implications of these findings for theory and practice are discussed.