Anxiety, a benefit and detriment to cognition: behavioral and magnetoencephalographic evidence from a mixed-saccade task

Anxiety is typically considered an impediment to cognition. We propose anxiety-related impairments in cognitive-behavioral performance are the consequences of enhanced stimulus-driven attention. Accordingly, reflexive, habitual behaviors that rely on stimulus-driven mechanisms should be facilitated in an anxious state, while novel, flexible behaviors that compete with the former should be impaired. To test these predictions, healthy adults (N=17) performed a mixed-saccade task, which pits habitual actions (pro-saccades) against atypical ones (anti-saccades), under anxiety-inducing threat of shock and safe conditions. Whole-head magnetoencephalography (MEG) captured oscillatory responses in the preparatory interval preceding target onset and saccade execution. Results showed threat-induced anxiety differentially impacted response times based on the type of saccade initiated, slowing anti-saccades but facilitating erroneous pro-saccades on anti-saccade trials. MEG source analyses revealed that successful suppression of reflexive pro-saccades and correct initiation of anti-saccades during threat was marked by increased theta power in right ventrolateral prefrontal cortical and midbrain regions (superior colliculi) implicated in stimulus-driven attention. Theta activity may delay stimulus-driven processes to enable generation of an anti-saccade. Moreover, compared to safety, threat reduced beta desynchronization in inferior parietal cortices during anti-saccade preparation but increased it during pro-saccade preparation. Differential effects in inferior parietal cortices indicate a greater readiness to execute anti-saccades during safety and to execute pro-saccades during threat. These findings suggest that, in an anxiety state, reduced cognitive-behavioral flexibility may stem from enhanced stimulus-driven attention, which may serve the adaptive function of optimizing threat detection.     

Positive and negative affect produce opposing task-irrelevant stimulus preexposure effects

In three experiments, groups were exposed to either positive or negative affect video clips, after which they were presented with a series of task-irrelevant stimuli. In the subsequent test task, subjects were required to learn an association between the previously irrelevant stimulus and a consequence, and between a new stimulus and a consequence. Induced positive affect produced a latent inhibition effect (poorer evidence of learning with the previously irrelevant stimulus than with the novel stimulus). In opposition to this, induced negative affect resulted in better evidence of learning with a previously irrelevant stimulus than with a novel stimulus. In general, the opposing effects also were present in participants scoring high on self-report questionnaires of depression (Experiments 2 and 3). These unique findings were predicted and accounted for on the basis of two principles: (a) positive affect broadens the attentional field and negative affect contracts it; and (b) task-irrelevant stimuli are processed in two successive stages, the first encodes stimulus properties, and the second encodes stimulus relationships. The opposing influences of negative and positive mood on the processing of irrelevant stimuli have implications for the role of emotion in general theories of cognition, and possibly for resolving some of the inconsistent findings in research with schizophrenia patients.     

Children in genocide: Extreme traumatization and the ‘affect propeller’1

The author bases this paper on extensive research concerning children in genocide with a starting point in the Holocaust and in the genocide in Rwanda 1994. She demonstrates indicators for psychological phenomena concerning the child survivors' affect regulating that appeared in life histories presented in videotaped in‐depth interviews. The psychological phenomena concern experiences of persecution and ways of coming to terms with recurring memory images and affects. The interviews that have been analysed in detail form a basis for an emerging conceptual model about trauma‐ and generational‐linking processes within each individual‐the ‘affect propeller’. An overall conclusion from this study is that past traumatic experiences are recovered not as memories in the usual sense of the word, but as affects invading the present. Accordingly, affects seem to tell the story of the past traumatic experiences.     

Health outcome models for policy analysis

The increasing therapeutic options in health care have created new dilemmas because resources to pay for the new technologies are limited. Cost/effectiveness and cost/utility models are required in order to evaluate the return on the invested dollar for various health care technologies. The problem is that different technologies are often evaluated using very different outcome units. The alternatives may range from liver transplantation to rehabilitation to preventive care. This article presents an overview of a general health policy model that expresses the benefits of all programs in a common unit known as the well-year--defined as the equivalent of 1 completely well year of life. The model uses two data sources: life expectancy and health-related quality of life during years prior to death. The quality-of-life component considers behavioral scales for mobility, physical activity, social activity, and symptoms. These dimensions are weighted by utility or preference to create a single scale that ranges from 0 (for death) for 1.0 (for optimum health). The model also considers duration of stay in each health state. Because all providers in health care attempt to extend life expectancy and improve quality of life, very different approaches in health care can be evaluated against one another. Preliminary analyses suggest that some behavioral interventions compete favorably with traditional medical and surgical treatments in terms of cost/well-year of life production. Various applications of the model are discussed.     

Affective empathy and cognitive role-taking in delinquent and nondelinquent youth

Ten male and 10 female delinquents were compared with 10 male and 10 female nondelinquents on a structured self-reported affective empathy task, an unstructured affective empathy task, and a cognitive role-taking measure. Differences between groups were found only on the unstructured empathy task, with delinquents performing more poorly than nondelinquents. Sex differences were noted in the delinquent sample on the structured empathy task, with males demonstrating less empathic responding than females. The role of empathic skills in the etiology of delinquent behavior is addressed. In addition, the need to further differentiate the cognitive and affective components of the empathic construct is emphasized.     

Reconstructionist theology in rabbinical counseling

Utilizing the theology of Reconstructionism's founder, Mordecai Kaplan, in rabbinical counseling, the principles and concepts can be seen to be complementary to those of Individual Psychology. It is this similarity and complementary nature that validates this unique theology as a sound and accepted therapeutic tool.     

An Adlerian understanding of Hillel's maxim

Hillel, one of Judaism's great scholars and sages, has amongst his many statements, one which is most well known and has withstood the test of time. With this statement, he has shown an insight into human psychology that anticipated today's modern approach toward understanding behavior, particularly when using an Adlerian interpretation of his maxim.Rabbi Steven J. Kaplan, Ph.D. is Hillel Director, University of Southern Florida-University of Tampa. He may be addressed at the University of Southern Florida, CTR 2382, Tampa, Florida 33620.     

The change from visible to invisible:

It is argued that the problem of the phenomenal persistence of objects in experience, often called “object permanence,” is actually a problem of the discriminating of persisting from nonpersisting things. A distinction is made between objects that go out of sight and objects that go out of existence, and it is shown that optical information exists to distinguish these two cases. Evidence is provided from a series of motion picture displays to suggest that Os do in fact distinguish them. The various optical transitions are shown to be reversing in the first case, but nonreversing in the second. In particular, the transition that specifies the occlusion of one surface by another is analyzed, together with the inverse of this transition. This study is a sequel to an earlier one of optical transformations.