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Waldmann and Holyoak (1992) presented evidence in support of the claim that cue selection does not emerge in "diagnostic" human learning tasks in which the cues are interpretable as effects and the outcomes as the causes of those effects. Waldmann and Holyoak argued that this evidence presents a major difficulty for associationist theories of learning and(More)
In predictive causal inference, people reason from causes to effects, whereas in diagnostic inference, they reason from effects to causes. Independently of the causal structure of the events, the temporal structure of the information provided to a reasoner may vary (e.g., multiple events followed by a single event vs. a single event followed by multiple(More)
In the concept of modularity, plant modules are considered as iterative units and their changes are analyzed in terms of number or size. This paper, however, analyses changes with respect to the reproductive functional performance of modules and individual plant age. Patterns of resource allocation and partitioning in reproductive modules (fruits) are(More)
The accumulation and transfer of the organophosphorus pesticide chlorpyrifos has been studied in an experimental aquatic two-level food chain using two species of the crustacean Artemia (A. franciscana and A. parthenogenetica) and the small fish Aphanius iberus. Artemia adults contaminated by exposure to the pesticide in water were used as live prey for(More)
The expression of estrogen receptors (ERs) in the developing and adult human brain has not been clearly established, although estrogens are crucial for neuronal differentiation, synapse formation, and cognitive functions. By using immunohistochemistry, we have studied the distribution of ER alpha and ER beta in human cerebral cortex and hippocampus from(More)
The occupational exposure in workplace atmospheres of ceramic factories to some metals (Ba, Cd, Co, Cr, Cu, Ni, Zn) and boron has been studied. During 1994 samples were collected at several ceramic factories from the Comunitat Valenciana (Spain) in a random fashion to avoid correlation problems regarding data analysis; factories were sampled to provide a(More)
The objective of this study was to test the effects of an antioxidant-supplemented beverage on exercise-induced oxidative stress in moderately trained cyclists. A double-blind study was conducted in moderately trained cyclists. They were randomly allocated to receive either an antioxidant (13 subjects) or a placebo (13 subjects) 15 min pre-exercise (30(More)
A solid-phase microextraction (SPME) method has been developed for the determination of 7 pyrethroid insecticides (bifenthrin, lambda-cyhalothrin, permethrin, cyfluthrin, cypermethrin, fenvalerate, and tau-fluvalinate) in water, vegetable (tomato), and fruit (strawberry) samples, based on direct immersion mode and subsequent desorption into the injection(More)
Inositol monophosphatases (IMPases) are lithium-sensitive enzymes that participate in the inositol cycle of calcium signalling and in inositol biosynthesis. Two open reading frames (YHR046c and YDR287w) with homology to animal and plant IMPases are present in the yeast genome. The two recombinant purified proteins were shown to catalyse inositol-1-phosphate(More)
To investigate the transfer of lipophilic organochlorine compounds to the gonads in gilthead sea bream females, liver and oocytes from wild and farmed females, just before spawning, were analysed by gas chromatography coupled to tandem mass spectrometry after clean-up of the fatty extracts by normal phase HPLC. This analytical methodology allowed us to(More)