ACCESSORIAL AND INCLUSIVE APPROACHES TO MARGINAL PERCEPTUAL PHENOMENA

Since most theories of perception are based on focal data in the phenomenal field, an array of accessorial concepts have to be added in order to account for marginal data. The present paper indicates how both classes of phenomena may be included in the same experimental operation and referred to a unitary, operational model of perception—personality. The core of this model is the assumption that everyday perception is the result of a micro-process which proceeds from stimulus-distal stages to more and more stimulus-proximal ones. The interrelations between this model on the one hand and physiological and genetic frames on the other are also indicated.     

PRECOGNITIVE DEFENSIVE ORGANIZATION WITH THREATENING AND NON-THREATENING PERIPHERAL STIMULI

K ragh , U. Precognitive defensive organization with threatening and non-threatening peripheral stimuli. Scand. J. Psychol ., 1962, 3 , 65–68.—The question is raised whether 'precognitive defensive organization' in the tachisto-scopic exposure of pictures with a centrally placed 'hero' and a 'threatening' peripheral face is due to the diffuse character (ambiguity) of stimulus, or rather to subliminal threat. Two pictures were shown under essentially identical conditions. In one case, the face was ugly and 'threatening', in the other case it was the same face but slightly modified, and 'smiling'. The results suggest that subliminal threat is important for the activation of defensive reactions, but they do not contradict the assumption that diffusity of stimulus alone may also be effective.     

Visual bridgingof empty gaps in the optic flow

This is a study of perception of bending motion and jointed rigid motions over large invisible segments of a bending line. In this project, we investigated the visual perception of changing form of lines, built up by a series of dots and presented under highly reduced pictorial conditions. The changing form was indicated by one or two moving and continuously changing visible fragments of the line. The most extreme condition studied was the perception of the bending of an initially vertical 24-dot line, visually represented only by the stationary base dot and the two moving dots at its top. In this experiment, nearly all subjects reported experiencing a smooth bending connection over the 21-dot empty gap. Three experiments are described and analyzed. The results suggest that the human visual system is astonishingly well adapted for derivation of relevant figurai information from such severely reduced, continuously changing optical presentation. An explanation in terms of automatic sensory mechanisms related to the physiological receptive field effect is proposed.     

The influence of cognitive set on performance and arousal under different noise loads

Three groups of 12 subjects each performed a mental arithmetic task while exposed to continuous white noise in two experimental sessions. In Session I, each group was exposed to a different noise level [56, 72.5, or 85dB(A)], whereas in Session II all had the medium [72.5 dB(A)] intensity. Arithmetic performance deteriorated with increasing noise intensity in Session I, and in Session II each group retained its position relative to the other two groups. Thus, the higher the noise intensity in the first session, the poorer the performance in the second session. These results suggest that the motivation and energy mobilized in Session II were determined by the cognitive set adopted to meet the demands of Session I. Arousal level, as measured by adrenaline excretion and heart rate, was higher during both experimental sessions than in a control session. The rise in adrenaline output was of the same magnitude regardless of the intensity of the noise, which indicates that the subjects adjusted to the increase in total load by slowing down their performance rather than by raising their energy mobilization. Heart rate rose in response to changes in noise level in Session II relative to Session I, regardless of the direction of the change.     

Maximum likelihood estimation of the polychoric correlation coefficient

The polychoric correlation is discussed as a generalization of the tetrachoric correlation coefficient to more than two classes. Two estimation methods are discussed: Maximum likelihood estimation, and what may be called two-step maximum likelihood estimation. For the latter method, the thresholds are estimated in the first step. For both methods, asymptotic covariance matrices for estimates are derived, and the methods are illustrated and compared with artificial and real data.This paper was read at the 1978 European Meeting on Psychometrics and Mathematical Psychology in Uppsala, Sweden, June 1978.Research reported in this paper has been supported by the Bank of Sweden Tercentenary Foundation under project Structural Equation Models in the Social Sciences, project director Karl G. Jöreskog.     

Mindfulness‐based cognitive therapy is effective as relapse prevention for patients with recurrent depression in Scandinavian primary health care

This study examined the effectiveness of mindfulness‐based cognitive therapy (MBCT) in primary care for patients with recurrent depression (major depressive disorder: MDD). According to the World Health Organization (WHO), MDD is now the leading cause of disease burden in middle‐ and high‐income countries. Patients (N = 45) with three or more previous depressive episodes were recruited to participate in MBCT as a preventative intervention. Using a benchmarking approach, outcome data was compared with data from a recent efficacy study. The methodology is a rigorous approach to assessing effectiveness when evidence‐based UK protocols are transferred into the existing Scandinavian service delivery. Additionally, a person‐centred methodological approach was used to assess clinical significance on the Reliable Change Index (RCI). The analysis revealed comparable or larger effects from pre‐test to post‐test in reduced psychiatric symptoms, increased quality of life and level of mindfulness, and the effects were maintained over 14 months. Analysis of the relapse rate in the current study (16%) compared to the TAU in the efficacy study (68%) yielded an h value of 0.78, a moderate effect size. Only 13% dropped out of the treatment. According to the RCI findings, 65% to 67% of participants in the clinical group improved, no individual worsened, and women showed a significantly greater improvement of depression and anxiety than men. Therapeutic alliance and motivation had no impact on the outcome. The overall result suggests that MBCT can be implemented successfully in Scandinavian primary health care as a preventive intervention for patients with recurrent depression.     

The multidimensional randomized response design: Estimating different aspects of the same sensitive behavior

The conventional randomized response design is unidimensional in the sense that it measures a single dimension of a sensitive attribute, like its prevalence, frequency, magnitude, or duration. This paper introduces a multidimensional design characterized by categorical questions that each measure a different aspect of the same sensitive attribute. The benefits of the multidimensional design are (i) a substantial gain in power and efficiency, and the potential to (ii) evaluate the goodness-of-fit of the model, and (iii) test hypotheses about evasive response biases in case of a misfit. The method is illustrated for a two-dimensional design measuring both the prevalence and the magnitude of social security fraud.     

A critique of foundationalist conceptions of comprehensive doctrines in the religion in politics-debate

This paper comprises a critical examination of foundationalist conceptions of comprehensive doctrines in the religion in politics-debate. I argue that John Rawls, the towering figure of this debate, operates with a foundationalist conception of comprehensive doctrines that has shaped the debate’s view of relevant alternatives (often referred to as exclusivism and inclusivism). However, there are several problems with foundationalist conceptions, and the most serious is that they are empirically inadequate in relation to modern Western societies. I conclude that participants of the exclusivist/inclusivist debate ought to look closer at alternative, non-foundationalist conceptions, and I supply a brief sketch of one such approach, inspired by American pragmatism.     

Foot Without Achilles’ Heel

Philosophia - It is often assumed that neo-Aristotelian virtue ethics postulates an obligation to be a good human being and that it derives further obligations from this idea. The paper argues that...