Differential effect of one versus two hands on visual processing

Hand position in the visual field influences performance in several visual tasks. Recent theoretical accounts have proposed that hand position either (a) influences the allocation of spatial attention, or (b) biases processing toward the magnocellular visual pathway. Comparing these accounts is difficult as some studies manipulate the distance of one hand in the visual field while others vary the distance of both hands, and it is unclear whether single and dual hand manipulations have the same impact on perception. We ask if hand position affects the spatial distribution of attention, with a broader distribution of attention when both hands are near a visual display and a narrower distribution when one hand is near a display. We examined the effects of four hand positions near the screen (left hand, right hand, both hands, no hands) on both temporal and spatial discrimination tasks. Placing two hands near the display compared to two hands distant resulted in improved sensitivity for the temporal task and reduced sensitivity in the spatial task, replicating previous results. However, the single hand manipulations showed the opposite pattern of results. Together these results suggest that visual attention is focused on the graspable space for a single hand, and expanded when two hands frame an area of the visual field.     

Serial position effects in 2-alternative forced choice recognition: Functional equivalence across visual and auditory modalities

Two experiments examined Ward, Avons, and Melling's (2005) proposition that the serial position function is task, rather than modality, dependent. Specifically, they proposed that for backward testing the 2-alternative forced-choice (2AFC) recognition paradigm is characterised by single-item recency irrespective of the modality of the stimulus presentation. In Experiment 1 the same nonword sequences, presented both visually or auditorily, produced qualitatively equivalent serial position functions with 2AFC testing. Forward testing produced a flat serial position function, while backward testing produced two-item recency in the absence of primacy. In order to rule out the possibility that the serial position functions for visual stimuli were the product of sub-vocal rehearsal, Experiment 2 employed articulatory suppression during the presentation phase. Serial position function equivalence was again observed together with a modest impairment in overall recognition rates. Taken together, these data are consistent with the Ward et al. proposition and further support the existence of a visual memory that can facilitate storage of visual-verbal material (e.g. Logie, Della Sella, Wynn, & Baddeley, 2000). However, the observation of two-item recency contradicts the original duplex account of single-item recency traditionally observed for backwards recognition testing of visual stimuli (Phillips & Christie, 1977).     

Time and again: Intermittent Brief Dynamic Therapy

Abstract

The author notes that in many of the settings in which Brief Therapy takes place that a client may return after the ending for a further series of sessions. Time-limited therapy has placed an emphasis upon the termination phase of the therapy and linked this to the process of individuation and separation. Such an approach, as articulated by Mann (1973 Mann, J. 1973. Time-limited psychotherapy, Cambridge, MA: Harvard University Press.  [Google Scholar]), which draws conceptually from the work of Winnicott (1965 Winnicott, D. W. 1965. The maturational processes and the facilitating environment, London: Hogarth Press.  [Google Scholar]) and the notion that the infant achieves unit status from the original undifferentiated merger with the mother, is not easily compatible with Intermittent Brief Dynamic Therapy. The work of attachment theorists and Stern (1985 Stern, D. N. 1985. The interpersonal world of the infant, New York: Basic Books.  [Google Scholar]) provide an alternative basis upon which to conceive of the development of the infant. While emphasizing the importance of attending to affects at points of separation and ending, as is evidenced in the work of Della Selva (2004 Della, Selva P. C. 2004. Intensive short-term dynamic psychotherapy, London: Karnac.  [Google Scholar]), such a framework is more readily compatible with the development of Intermittent Therapy, and with the realities of the settings in which much brief work takes place. The author also comments upon the flexibility inherent in Winnicott's own practice of brief consultations, and the implications of this for the development of Intermittent Brief Dynamic Therapy. The paper includes a case study that illustrates this debate and which provides evidence for the therapeutic potency of a form of Brief Dynamic Intermittent Therapy where a dynamic focus maintains a structuring pattern to the narrative over a sequence of several periods of Brief Therapy, spread over a number of years.     

The Symbolic Object

Abstract

The term “symbolic object” is introduced as a way to understand the moments between analyst and patient where “something” new and dynamic emerges within the dyadic relationship. The symbolic object is the bridge between the idealized, all-good object and symbolization proper. The intrapsychic atmosphere between self and object representations is in a relatively non-conflicted state during this process. By reformulating the Nirvana principle and the principle of constancy as ways in which the organism economically strives for the most organized and homoeostatic state possible, the infant or adult can be seen to be searching for the position of lowest unpleasure possible. This is the optimum balance between the libidinal and aggressive forces in the self and object representational field. These moments of “truce” between often highly conflicted phantasies usher in a more refined use of projective identification as a form of intrapsychic/interpersonal communication. This is a particular atmosphere from which both parties, within the projective/introjective, back-and-forth dyadic world, can begin to co-create and rediscover assorted amalgams of self and object functioning. This newly awakened psychic entity is the symbolic object. This outgrowth of something fresh to the dyadic orbit is a mutative moment that propels the relationship into a different direction. Within the pairing of minds, a novel and mutual understanding is produced. Both parties share this new symbolic object and each is shaped by it.     

Foot Position Tends to be Sensed as More Medial Than the Actual Foot Position

ABSTRACT

Participants placed different parts of their foot as close as possible to a target line without stepping onto it while wearing modified goggles that obscured their view of their feet. Once they felt that their foot was appropriately placed, the distance between their foot and the target line was measured. Participants tended to step 20–30 mm over the target line when asked to place the most lateral part of their foot near the target line and tended to place their foot 20–30 mm away from the target line when asked to place the most medial part of their foot near the target line. These results indicate that the placed feet shifted more laterally than sensed, which may explain unexpected tripping during walking.     

Studies of Abnormal Behavior in the Rat: XVII. Guidance Versus Trial and Error in the Alteration of Habits and Fixations

Formation of a God concept, in accordance with the developmental hypothesis of object relations theory, includes the utilization of representations acquired within the context of significant relationships. Previous researchers have attempted to determine the comparative extent to which parent representations give rise to an individual's God image. In this study, we measured the similarities between subjects' composite parental ratings and their image of God. As predicted, the parental composite was significantly closer to the God rating than were the singular parent representations.     

Response to commentary on the multimodal treatment study of ADHD (MTA): mining the meaning of the MTA

In the December 2000 issue of the Journal of Abnormal Child Psychology, we published a set of papers presenting secondary analyses of the Multimodal Treatment Study of ADHD (MTA), and R. A. Barkley (2000) provided a commentary. A critique of the design of the study (MTA Cooperative Group, 1999) was presented based on a theoretical perspective of a behavioral inhibition deficit that has been hypothesized as the core deficit of ADHD (R. A. Barkley, 1997). The commentary questioned the design and analysis of the MTA in terms of (1) the empirical criteria for selection of components of behavioral (Beh) intervention, (2) the effectiveness of the Beh intervention, (3) the methods for analyses at the group and individual level, (4) implications of the MTA findings for clinical practice, (5) the role of genetics in response to treatment, and (6) the lack of a nontreatment control group. In this response, we relate the content of the papers to the commentary, (1) by reviewing the selection criteria for the Beh treatment, as outlined by K. C. Wells, W. E. Pelham, et al. (2000), (2) by addressing the myth that the MTA Beh treatment was ineffective (Pelham, 1999), (3) by describing the use of analyses at the level of the individual participant, as presented by J. S. March et al. (2000) and W. E. Pelham et al. (2000) as well as elsewhere by J. M. Swanson et al. (2001) and C. K. Conners et al. (2001), (4) by relating some of the suggestions from the secondary analyses about clinically relevant factors such as comorbidity (as presented by J. S. March et al., 2000) and family and parental characteristics (as presented by B. Hoza et al., 2000, S. P. Hinshaw et al., 2000, and K. C. Wells, J. N. Epstein, et al., 2000), (5) by discussing the statistical concept of heritability and the lack of a significant difference in the presence of ADHD symptoms in parents of the MTA families compared to parents in the classmate-control families (as presented by J. N. Epstein, et al., 2000), and (6) by acknowledging that an ethically necessary weakness of the MTA design is that it did not include a no-treatment control group. We discuss the use of secondary analyses to suggest how, when, and for what subgroups effectiveness of the Beh treatment may have been manifested. Finally, we invite others to use the large and rich data set that will soon be available in the public domain, to perform secondary analyses to mine the meaning of the MTA and to evaluate theories of ADHD and response to treatments.     

Origins of the ethical attitude

This paper seeks to explore the genesis of the capacity for an ethical attitude, personally and professionally. As analysts working in intimate clinical settings, ethics is at the foundation of our professional lives, as it is at the foundation of our humanity and what it is we struggle towards in our own personal development. The ethical attitude presupposes special responsibilities that we choose to adopt in relation to another. Thus, a parallel situation pertains between caregiver and child and between analyst and patient: they are not equal partners, but nevertheless are in a situation of mutuality, shared subjectivity, and reciprocal influence. The basic premise of this paper is that the analytic attitude is an ethical attitude, and that the ethical attitude is a developmental achievement, and as such it may reach beyond the depressive position.