Implicit learning of a repeated segment in continuous tracking: a reappraisal

Several prior studies (e.g., Shea, Wulf, Whitacre, & Park, 2001; Wulf & Schmidt, 1997) have apparently demonstrated implicit learning of a repeated segment in continuous-tracking tasks. In two conceptual replications of these studies, we failed to reproduce the original findings. However, these findings were reproduced in a third experiment, in which we used the same repeated segment as that used in the Wulf et al. studies. Analyses of the velocity and the acceleration of the target suggests that this repeated segment could be easier to track than the random segments serving as control, accounting for the results of Wulf and collaborators. Overall these experiments suggest that learning a repeated segment in continuous-tracking tasks may be much more difficult than learning from a repeated sequence in conventional serial reaction time tasks. A possible explanation for this difference is outlined.     

Understanding trust and confidence: two paradigms and their significance for health and social care

Trusting agents characteristically anticipate beneficial outcomes, under conditions of uncertainty, in their engagement with others. However, debates about trust incorporate different interpretations of risk, uncertainty, calculation, affect, morality and motivation in explaining when trust is appropriate and how it operates. This article argues that discussions about trust have produced a concept without coherent boundaries and with little operational value. Two paradigms are identified, which distinguish the characteristics of trust and confidence. It is argued that a reliance on confidence in human affairs makes trust redundant and that this has undesirable moral consequences. Discussion is illustrated by the UK Government's 'modernisation' policy in health and social care, which privileges confidence in systems over trust in moral agents.     

Contributions of metaknowledge to retrieval of natural categories in semantic memory

Retrieving the answer to a general knowledge question has been shown to involve two metacognitive processes--a feeling-of-knowing that initiates the search of long-term memory and a willingness to continue searching until an answer can be confidently stated. To extend this model, college students were asked to retrieve as many members of 2 natural categories as they could in 1 min. Examination of the points at which they switched categories revealed that they searched longer in categories of higher potency, and they switched earlier when the other category was of higher potency. They also searched the first category longer when they were allowed to switch only once during a trial rather than as often as they wished. It was concluded that feeling-of-knowing maintained search of a category and also contributed to the willingness to continue searching, and the constraint on switching impacted the willingness to continue.     

Hemispheric specialization for spatial frequency processing in the analysis of natural scenes

Experimental data coming from visual cognitive sciences suggest that visual analysis starts with a parallel extraction of different visual attributes at different scales/frequencies. Neuropsychological and functional imagery data have suggested that each hemisphere (at the level of temporo-parietal junctions-TPJ) could play a key role in spatial frequency processing: The right TPJ should predominantly be involved in low spatial frequency (LFs) analysis and the left TPJ in high spatial frequency (HFs) analysis. Nevertheless, this functional hypothesis had been inferred from data obtained when using the hierarchical form paradigm, without any explicit spatial frequency manipulation per se. The aims of this research are (i) to investigate, in healthy subjects, the hemispheric asymmetry hypothesis with an explicit manipulation of spatial frequencies of natural scenes and (ii) to examine whether the 'precedence effect' (the relative rapidity of LFs and HFs processing) depends on the visual field of scene presentation or not. For this purpose, participants were to identify either non-filtered or LFs and HFs filtered target scene displayed either in the left, central, or right visual field. Results showed a hemispheric specialization for spatial frequency processing and different 'precedence effects' depending on the visual field of presentation.     

Caregiving in Attachment Relationships: A Perspective for Counselors

This article examines how caregiving, an aspect of attachment theory, can be applied in counseling. Discussion begins with an overview of attachment theory, then focuses on the counselor's position as caregiver, adult relationship issues, and termination of counseling.     

“Theobiology”: Attempting to Understand God and Ourselves

Theobiology, describing the interface between theology and biology, is proposed as a means to help us in our attempt to understand God, God's world, and ourselves. This embodiment of theological knowledge includes the relationship of humans to plants and animals, to the environment or God's world of creation, to God. Humans experience through their bodies and bodily functions, their senses and perceptions, all knowledge, including theological, psychological, and sociological knowledge. Gender, perhaps the largest division in any species, is a very important issue in biology and in theobiology. The gender and attributes associated with God and Christ—those of the male—have alienated and disenfranchised female persons. A balance between flesh and spirit, the sacred and the secular, women and men is vital if we are to achieve a healthy life and to live as a loving Creator would want all to live—in love, peace, and harmony, with caring and mutual respect among all that make up life—plant, animal, environment, and God.