Component mechanisms underlying the processing of hierarchically organized patterns: inferences from patients with unilateral cortical lesions

Subjects identified target letters that occurred randomly at the local or global level in a divided attention task. The visual angle of the stimuli was varied. Neurologically intact controls showed a reaction time advantage for local targets which increased as visual angle increased. Patients with lesions centered in the posterior superior temporal gyrus (STG) showed a larger local advantage than controls if the lesion was on the right and a global advantage if the lesion was on the left. STG patients were no more influenced by visual angle than were controls. Control subjects also showed the usual interference of global distractors on responding to local targets. STG patients showed little evidence of interference. Control patients with lesions centered in the rostral inferior parietal lobe performed normally. The findings suggest that several component mechanisms are involved in the processing of hierarchical levels of structure, each linked to specific anatomical regions.     

An extrapolation of the physical attractiveness and sex variables within the Byrne attraction paradigm

Memory & Cognition - Twenty male and 20 female volunteer general psychology students were assigned to one of four treatment conditions in a totally randomized 2 by 2 ANOVA to test the...     

Freud's "Project": a theory for Studies on Hysteria

The controversy about the place of Sigmund Freud's unfinished draft of 1895, "Project for a Scientific Psychology," in the history of his thought, is addressed. It is argued that the "Project" may be understood as a suppressed response to the theory of hysteria presented by Josef Breuer in his and Freud's joint work, Studies on Hysteria. It is suggested that the "Project" may be read, in part, as a substitute for Breuer's theory. The timing and circumstances of the "Project's" composition are discussed. Its substantive and formal congruence with Studies on Hysteria is brought out. Freud's comments on scientific hypotheses are discussed, and it is shown that they constitute an implicit criticism of Breuer's theory.     

Minimized tolerance to the suppressive effects of CCK8 on operant responding

This study was designed to determine if tolerance to cholecystokinin octapeptide (CCK8) could be prevented or minimized by spacing injections, and if an appetitive operant conditioning paradigm provides a sensitive baseline to test the effects of CCK8. Male Sprague-Dawley rats were trained to press a lever for water according to a fixed-interval 60-sec schedule of reinforcement. After response rate stabilized, rats were given a series of CCK8 (0.04 mg/kg, ip) injections spaced several days apart. The first injection of CCK8 produced complete response suppression during the 30-min test session, while later injections produced partial or complete suppression. Thus, tolerance to CCK8, as measured by operant response rate, may be minimized if injections are appropriately spaced.     

The relationship between state anxiety and depressed mood: A validity study

The validity of the A-State Scale of the State-Trait Anxiety Inventory and the Zung Self-Rating Depression Scale was assessed using data from a general health survey. Depression and anxiety states were found to coexist, however, evidence from a factor analysis, showing items from the two tests loaded on separate factors, demonstrated that these states can be measured independently. Both the A-State and the Zung Scales were found to comprise two factors, and for each scale, one factor consisted of positively phrased items, and the other of negative items. The implications of these findings for the construct validity of the two scales are discussed.     

A minicomputer method for generating dichotic word pairs

A computer method is described for generating dichotic word pairs. The Purdue Laboratory system is implemented with a DEC PDP-12 computer.     

Coping strategies and psychological distress in cancer patients before autologous bone marrow transplant

The increased use of bone marrow transplantation (BMT) to treat a variety of cancers has led researchers to study psychological functioning of BMT patients. The majority of studies conducted, however, has focused on adjustment after transplantation. Cancer patients' use of coping strategies before undergoing this procedure may also relate to levels of psychological distress. Our aims were (1) to provide normative coping data, controlling for situation-specific variables with a homogeneous sample, targeted stressor, and fixed time point, using the Ways of Coping Questionnaire; and (2) to identify coping strategies associated with distress before high-dose chemotherapy. Subjects were 49 patients scheduled to receive high-dose chemotherapy and an autologous bone marrow transplant. Consistent with previous coping research, we found that escape-avoidance was related to psychological distress on several measures. Item endorsement analyses of the escape-avoidance subscale suggest that patients may have used more passive than active avoidance strategies. Subsequent participation in a longitudinal study was not affected by initial levels of avoidant coping.     

The Psychology of Religion and the Concept of Revelation

It is argued that the psychology of religion should be seen as interacting with theology in a broader way than is usual at present, especially in relation to the concept of revelation. Examination of revelatory experiences, especially Christ’s resurrection appearances, may be seen in terms of this broader interaction not only as solving certain historical puzzles, but as bringing to fruition Arthur Peacocke's hope for application to spiritual experience of understandings of divine action that have been developed within the science–theology dialogue. The pluralistic implications of this approach are examined, and the possibilities open to psychologists in relation to both interpretation and research strategies are outlined. It is stressed that what is required is not simply interdisciplinarity, as this is usually understood, but transdisciplinarity of the kind that questions the boundaries and methodologies accepted by specialists in one or other of the disciplines concerned.     

A video‐based procedure for the assessment of prospective memory

Prospective memory, or the everyday activity of remembering to remember, is frequently deficient in persons with brain injuries. However, few clinically useful measures of this ability are available. We report the results of three studies using student participants, conducted to examine the psychometric credentials of a video‐based method of assessing prospective remembering. This procedure requires participants to watch a video segment recorded moving through a shopping precinct and to recall preassigned instructions (e.g. ‘Buy a Big Mac at McDonald's’) in response to cues appearing on the videotape. Study 1 showed that the video procedure is reliable and easier to complete when the video footage is set in a familiar location. Study 2 confirmed that familiarity enhances recall and demonstrated that pre‐exposure to the unfamiliar video stimuli could partially attenuate this effect. In Study 3 it was found that performance on the video‐based task was correlated with performance on an equivalent real life memory task providing evidence for criterion validity. The findings from these studies demonstrate that clinical and experimental measures of prospective memory with high ecological validity can be constructed based on video recordings of everyday activities. Copyright © 2001 John Wiley & Sons, Ltd.     

Factor Structure of the Burden Interview

Zarit's Burden Interview is the most commonly used measure of burden among family caregivers for demented older adults, but has been criticized for its diverse item content and lack of correspondence to theoretically based multidimensional burden scales. The factor structure of this measure of burden was examined in a sample of 220 family caregivers of demented elderly. The implied 1-factor model and a 2-factor model proposed in the literature were not good fits to the data. Fourteen of the 21 nonglobal items were found to tap three underlying factors of Embarrassment/Anger, Patient's Dependency, and Self-criticism. This factor structure was replicated in a second sample of 108 caregivers. The relationship of these factors to latent factors identified in other multifactorial burden scales suggests a greater degree of convergence across measures than has been assumed.