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A correction to this paper has been published: https://doi.org/10.1007/s12601-021-00025-z
One aim of this study was to investigate whether children of parents with panic disorder (CPAN) (n = 27) respond with higher levels of anxiety to internal stimuli (caused by voluntary hyperventilation) than children of parents with animal phobia (CPHOB) (n = 21) or children of healthy control parents (CCON) (n = 29). To test the specificity of the hypothesis, the second aim was to assess whethe...
Recent research has found that the entrance of a low cost carrier leads to lower prices on routes it has entered. This paper extends this analysis by examining the impact of route entry by a discount carrier, ValuJet into an established carrier's hub, Delta, and by examining price changes on routes not entered by the low cost carrier. We found that Delta lowered its fares on competitive routes ...
In a previous work Pollack showed that a particular type of heterogeneous processor network is Turing universal. Siegelmann and Sontag (1991) showed the universality of homogeneous networks of first-order neurons having piecewise-linear activation functions. Their result was generalized by Kilian and Siegelmann (1996) to include various sigmoidal activation functions. Here we focus on a type of...
This paper presents an agent-based approach to modelling individual driver behaviour under the influence of real-time traffic information. The driver behaviour models developed in this study are based on a behavioural survey of drivers which was conducted on a congested commuting corridor in Brisbane, Australia. Commuters responses to travel information were analysed and a number of discrete ch...
Yam rots caused by fungal pathogens (mostly Fusarium spp.) are a major cause of storage losses, and previous work has shown that fungal lesions were only found if there was pre-existing physical damage to the tuber. The general perception is that damage in ̄icted in the ®eld prior to storage is far more important in this regard than damage caused during storage, and this has led to much research...
Objective: We describe our center’s experience with the use of allografts for aortic valve or root replacement, illustrating the impact on outcome of the changes made in surgical and preservation techniques. Methods: Between 4/1987 and 1/2001 275 allografts were used in 267 consecutive patients to replace the aortic valve or root. All patients were prospectively followed over time. Mean patient...
To address the question of which brain regions subserve retrieval of emotionally-valenced memories, we used event-related fMRI to index neural activity during the incidental retrieval of emotional and non-emotional contextual information. At study, emotionally neutral words were presented in the context of sentences that were either negatively, neutrally or positively valenced. At test, fMRI da...
To characterize age-related changes in frontal cortical plasticity, we assessed maze learning and frontal cortical pharmacology in young adult, middle-aged, and aged rats. Rats received either ibotenic acid or sham lesions of the nucleus basalis magnocellularis (NBM) and were then trained on a radial maze task. After training, we assessed [H]desmethylimipramine (DMI), [H]muscimol, [H]AMPA, and ...
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