Stop the clock because I can’t stop: time pressure,but not monitoring pressure,impairs response inhibition performance

ABSTRACT

Psychological pressure can exert detrimental effects on cognitive tasks that depend on attentional control. However, the effect of psychological pressure on inhibitory cognitive processes has been relatively overlooked. The study purpose was to examine the effect of psychological pressure on response inhibition. In Experiment 1, participants (N?=?125) were assigned to a combined time and performance-based incentive pressure condition or control condition. In Experiment 2, participants (N?=?124) were allocated to a time pressure only or control condition. Participants (N?=?149) in Experiment 3 were assigned to either an explicit monitoring pressure condition in which their performance was video-recorded or control condition. Participants in all experiments completed a Go/NoGo Task to assess response inhibition performance. Pressure impaired performance in Experiments 1 and 2 but not Experiment 3. The results demonstrate that time pressure, but not explicit monitoring pressure, significantly impairs inhibition accuracy. These findings are consistent with the distraction theory of performance pressure.     

Stress Reactivity in Fire Fighters: An Exercise Intervention

This experiment was designed to investigate the efficacy of 16 weeks of exercise training as an intervention to reduce the psychophysiological response of fire fighters to psychological stress. Fifty-three members of the Austin Fire Department (AFD) were recruited as participants and were randomly assigned to either exercise on a rowing ergometer or to continue their present modes of exercise training. Psychological stress was induced by a computerized version of the AFD Strategy and Tactics Drill (STD), in which participants responded to a simulated fire scene. Participants completed the STD prior to and following the exercise intervention. Prior to training, the groups did not differ in their cardiovascular response to the STD. Significant group differences were observed after training, in which exercise-trained participants reacted with significantly lower pulse and mean arterial pressure than their counterparts in the control condition. Exercise participants also reported significantly less stress-related state anxiety and negative affect. Exercise training appears to be a useful intervention to reduce the response to fire-related psychological stress in fire fighters.     

Heart rate and blood pressure responses to a competitive role‐playing game

The effects of the outcome of competitive encounters on physiological parameters have been studied, especially testosterone levels, but hardly on other systems that, however, present a high sensitivity to stress. This study assessed the effect of a competitive game on heart rate (HR) and blood pressure (BP) in a sample of university students. In addition, the influence of anxiety and attributions of the outcome was also explored. Only winners significantly showed a rise in HR during the competition followed by a decrease along the posttask phase in addition to more internal attributions. On the contrary, the average HR for losers during the competition was lower compared with their baseline values. No differences depending on the outcome were found in BP. The cardiovascular response as well as the subjective interpretation of the outcome suggest a more active strategy employed by winners vs. a more passive strategy of losers. Future studies should specifically investigate the importance of coping strategies for psychophysiological adaptation to contests and for the outcome reached. This would permit an advance in the understanding of the role of individual differences in the processes of stress and in associated diseases. Aggr. Behav. 27:351–359, 2001. © 2001 Wiley‐Liss, Inc.     

谈判中的时间因素

研究时间因素对谈判的影响有利于提高人们对时间重要性的认识,有效谈判策略的运用和整合结果的实现。时间因素对谈判者认知、行为和谈判结果的影响具体表现在：时间压力会降低谈判者的认知动机,使谈判者更加依赖认知启发式;暂停和中场休息是否会为谈判带来积极影响应该视不同的谈判事件和不同的心理状态而定;拉大谈判与结果实现之间的时间距离会提高谈判的共同结果,这可以从折扣效应和建构水平理论中得到解释。将来的谈判研究会进一步从时间向空间拓展     

A portable biofeedback device for autonomic responses

The design of a versatile and programmable transducer amplifier device with analogue display for self-monitoring of autonomic responses is described. The design features low cost, portability, and flexibility across direct-current transducer options (e.g., photoplethysmograph or thermistor). The device can be used for the visual or auditory display of continuous blood volume pulse or temperature measures where the relative amplitude or pulse rate is of concern. Auditory or visual biofeedback may be provided via the choice of a stacked bar-graph display or piezoelectric buzzer. A common circuit design to allow programming options for the estimation of heart rate, inter-beat interval, or pulse duration is provided.     

Attendance pressure during organizational change

The present study examines the relationships between aspects of the concept attendance pressure and sickness absenteeism. The study was carried out in a large public company in Norway during a major reorganization. It was hypothesized that employees with sickness absenteeism during this period would experience a high degree of attendance pressure in the form of reactions from managers, fellow workers, and job insecurity. Two surveys were carried out with the same sample (N=401). Attendance pressure in the form of censure pressure explained significant parts of the variance in sickness absenteeism. Employees with sickness absenteeism during the reorganization were a vulnerable group with low job satisfaction, significant health problems and low personal work ethics. Implications for preventive work on organizational level are discussed.Financed by the Research Council of Norway.     

CLASSICAL CONDITIONING OF DECREASES IN HUMAN SYSTOLIC BLOOD PRESSURE1

Decrease in human systolic blood pressure of 4.35 mm Hg (range: 0 to 12 mm Hg) were classically conditioned in normal and hypertensive subjects using a delayed conditioning paradigm in which a 30-sec auditory stimulus (the conditioned stimulus) was followed immediately by tilting the subject 15° head-down to elicit small decreases in blood pressure. Conditioning occurred within five trials. A control group demonstrated that sensitization of the reflex by repeated tilting could not account for the blood-pressure decreases associated with the conditioned stimulus in experimental subjects.     

Computing the COM from the COP in postural sway movements

A method is described for computing the centre of mass (COM) from empirical estimates of the centre of pressure (COP) obtained by means of a force platform. The method is based on a biomechanical model of sway movements in quiet standing, according to which the horizontal acceleration of the COM is approximately proportional to the COM–COP difference. The equations are solved by approximating the solution with best fitting spline functions. The implications for movement control are discussed.     

Time pressure and the application of decision rules: Choices and judgments among multiattribute alternatives

The effects of time pressure on decisions and judgments were studied and related to the use of different decision rules in a multiattribute decision task. The decision alternatives were students described by their high school grades in Swedish, Psychology and Natural Science. The subjects were asked to choose the student they thought would be most able to follow a university program and graduate as a school psychologist. On the basis of earlier findings using the same kind of decision task (Svenson et al., 1990) it was hypothesised that subjects under time pressure would prefer candidates having the maximum grade across all attributes to a greater extent than subjects under no time pressure. Furthermore, it was hypothesised that subjects under time pressure would also focus more on the most important attribute and choose the alternatives being best on that attribute. The results supported these hypotheses.