Le momentum psychologique en sport : vers une perspective complexe et dynamique

Psychological momentum (PM) is a social phenomenon that has triggered the curiosity of sport psychologists since the early 1980s. From early to recent conceptualizations, PM has been considered as a complex construct, inherently related to variations in sport performance. Over the past 30 years, several models have been proposed to untangle how PM is triggered, which psychological changes are involved in PM experiences, and how PM relates to performance. While linear (causal) models have dominated past research on PM, researchers have recently found that PM can change nonlinearly, depending on the performance history of the competition. This systematic review aims to provide an overview of different PM models that have been proposed in the past to increase insights into the complexity of PM, including the transition from linear causal models to nonlinear dynamical models. Moreover, based on the current state of affairs, perspectives for future research are provided.     

Phantom narratives and the uncanny in cultural life: psychic presences and their shadows

Abstract

In this paper the author explores the emotional factors that are activated at the level of the cultural unconscious, that produce experiences of the uncanny that are expressed through Phantom Narratives. Phantom Narratives as a hybridized term is the author’s way of linking personal and social activity of unconscious story formation through psychic presences (images). Phantom Narratives are expressions of the unconscious at the level of the group that shows the psyche’s way of narrating its relationship to the group, through the expressions of cultural, social, and political issues. The uncanny, at the level of the social, is seen as those disturbances of feelings that alienate us from the familiar social world of others. What is uncanny about Phantom Narratives is how group emotional dynamics are represented as psychic presences. Making use of the author’s own subjectivity (i.e. psychoanalytic literary genre) he uses an approach from analytic psychology (Jungian) called amplification, which allows for the elaboration of symbolic processes, to create a meaningful (semantic) context for exploration.     

L’effet du contrôle comportemental,l’auto-efficacité et la charge subjective de travail sur l’intention d’usage d’un progiciel de gestion intégré

The aim of this paper is to explain the variance of intent for adopting enterprise resource planning systems (ERP). Based on the technology acceptance model (TAM, Davis, 1989), we studied the impact of self-efficacy and two regulatory elements effectiveness: behavioral control and subjective workload that may influence the usefulness, usability and the intention to use an ERP system. The results of this quantitative study develop a revised TAM highlighting the synergy between the variables mentioned and dimensions of subjective workload in a Tunisian airline enterprise.     

Trunk coordination in healthy and chronic nonspecific low back pain subjects during repetitive flexion–extension tasks: Effects of movement asymmetry,velocity and load

Multiple joint interactions are critical to produce stable coordinated movements and can be influenced by low back pain and task conditions. Inter-segmental coordination pattern and variability were assessed in subjects with and without chronic nonspecific low back pain (CNSLBP). Kinematic data were collected from 22 CNSLBP and 22 healthy volunteers during repeated trunk flexion–extension in various conditions of symmetry, velocity, and loading; each at two levels. Sagittal plane angular data were time normalized and used to calculate continuous relative phase for each data point. Mean absolute relative phase (MARP) and deviation phase (DP) were derived to quantify lumbar–pelvis and pelvis–thigh coordination patterns and variability. Statistical analysis revealed more in-phase coordination pattern in CNSLBP (p = 0.005). There was less adaptation in the DP for the CNSLBP group, as shown by interactions of Group by Load (p = .008) and Group by Symmetry by Velocity (p = .03) for the DP of pelvis–thigh and lumbar–pelvis couplings, respectively. Asymmetric (p < 0.001) and loaded (p = 0.04) conditions caused less in-phase coordination. Coordination variability was higher during asymmetric and low velocity conditions (p < 0.001). In conclusion, coordination pattern and variability could be influenced by trunk flexion–extension conditions. CNSLBP subjects demonstrated less adaptability of movement pattern to the demands of the flexion–extension task.     

Making Sense of Dynamic Systems: How Our Understanding of Stocks and Flows Depends on a Global Perspective

Stocks and flows (SF) are building blocks of dynamic systems: Stocks change through inflows and outflows, such as our bank balance changing with withdrawals and deposits, or atmospheric CO₂ with absorptions and emissions. However, people make systematic errors when trying to infer the behavior of dynamic systems, termed SF failure, whose cognitive explanations are yet unknown. We argue that SF failure appears when people focus on specific system elements (local processing), rather than on the system structure and gestalt (global processing). Using a standard SF task (n = 148), SF failure decreased by (a) a global as opposed to local task format; (b) individual global as opposed to local processing styles; and (c) global as opposed to local perceptual priming. These results converge toward local processing as an explanation for SF failure. We discuss theoretical and practical implications on the connections between the scope of attention and understanding of dynamic systems.     

The New Learning Environment and Adult Developmental Needs

The link between an adult's learning capabilities and an organization's learning and adaptation is highlighted in this study of workers in a new training program. Studies have found that worker productivity differences are rooted in psychological factors. The most successful firms have supportive workplace psychologies that foster perspective transformation, yield high productivity, high involvement, high job satisfaction, low cost, and high profits. This study suggests the importance of workers having a whole-organization perspective. The findings of this study are generalizable to other organizations making the transition from training to learning in which individuals learn to continuously grow, develop, and problem solve to the benefit of all.     

On the Future of Group Therapy Theory

The author presents a hypothetical view of group therapy theories as they may evolve over the first decades of the New Milennium. Looking at the problem of prediction from the standpoint of postmodernism and social constructivism, the importance of these perspectives as frameworks of the social sciences is emphasized. The influence of general systems theory, Foulkesian group analysis, object relations theory, self psychology, cognitive-behavioral psychology, and neuropsychiatry are briefly examined with respect to the expected evolution of increasingly sophisticated, detailed, and nuanced theories of group psychology and group psychotherapy.     

Arbitrariness in nature: synergetics and evolutionary laws of prohibition

The philosophical consequences of synergetics, the interdisciplinary theory of evolution and self-organization of complex systems, are being drawn in the paper. The idea of discreteness of evolutionary paths is in the focus of attention. Although the future is open, and there are many alternative evolutionary paths for complex systems, not any arbitrary (either conceivable or desirable) evolutionary path is feasible in a given system. There are discrete spectra of possible evolutionary paths which are determined exclusively by inner properties of the corresponding systems. Synergetics allows us to reveal general laws of self-organization and, therefore, certain limits of arbitrariness of nature in choosing possible paths of evolution as well as in constructing of a complex evolutionary whole. A comparative analysis between the modern synergetic notions and a few ideas of the Western philosophy (F. Nietzsche, N. Hartmann, M. Heidegger) and of the Eastern teachings (Taoism, Buddhism) is made. This revised version was published online in August 2006 with corrections to the Cover Date.     

Application of GIS and multicriteria evaluation in locating sustainable boundary between the tunari National Park and Cochabamba City (Bolivia)

Increased population growth and urbanization, has caused increase in demand for land around the city of Cochabamba, which has led to encroachment into the National Park and the construction of illegal settlements. This has created a number of problems, some of which are the direct consequences of the new settlements in the ‘Tunari’ foothills. These settlements constitute a threat to the environment and people because of their location in flood risk and aquifer recharge areas. In response to this problem the city authorities are considering relocating the boundary between the National Park and the city. This study has focused on the design and evaluation of alternative locations for a sustainable boundary between the north of ‘Cochabamba City’ and the southern boundary of the ‘Tunari National Park’. In this process, a rational and systematic approach of collaborative‐decision‐making, supported by geographical information systems (GIS) and multicriteria evaluation (MCE) has been employed and evaluated. Copyright © 2003 John Wiley & Sons, Ltd.     

Anxiety Influences the Perceptual-Motor Calibration of Visually Guided Braking to Avoid Collisions

We investigated whether anxiety influences perceptual-motor calibration in a braking to avoid a collision task. Participants performed either a discrete braking task (Experiment 1) or a continuous braking task (Experiment 2), with the goal of stopping before colliding with a stop sign. Half of participants performed the braking task after an anxiety induction. We investigated whether anxiety reduced the frequency of crashing and if it influenced the calibration of perception (visual information) and action (brake pressure) dynamically between-trials in Experiment 1 and within-trials in Experiment 2. In the discrete braking task, anxious participants crashed less often and made larger corrective adjustments trial-to-trial after crashing, suggesting that the influence of anxiety on behavior did not occur uniformly, but rather dynamically with anxiety amplifying the reaction to previous crashes. However, when performing continuous braking, anxious participants crashed more often, and their within-trial adjustments of deceleration were less related to visual information compared to controls. Taken together, these findings suggest that the timescale and nature of the task mediates the influence of anxiety on the performance of goal-directed actions.