The tendency to use drugs depends on each individual person. Not all those who have access to drugs become addicts, therefore there may be personality characteristics that influence their use. One such characteristic is the pursuit of new sensations found in people that like looking for risk at all times. Although some studies have already suggested a link between these people and a higher probability of becoming drug addicts, shopaholics or gambling addicts, until now no study has objectively found a direct relationship without the influence of other psychological factors, such as anxiousness.
A team of researchers from the Universitat Autònoma de Barcelona, directed by Roser Nadal and Antonio Armario, has shown scientifically through experiments with rats that addiction to morphine is related to a tendency to explore perseveringly and to search for new sensations. Using mazes and cages, the scientists observed in their experiments that the animals with a greater tendency to explore are more inclined towards an addiction to morphine.
The researchers had classified the rodents according to whether they had a tendency to explore repeatedly a new situation (persevering explorers) or they became disinterested in the new situation within a short amount of time. This was done by placing them in a circular corridor they had never seen before and observing their behaviour. Only the persevering animals that persistently explored their new environment had a preference for being administered morphine. It was also observed that other personality characteristics in the rats, such as anxiousness or fear, are unrelated to morphine addiction. This is the first time a relationship has been observed between addiction and a tendency to explore without other characteristics appearing that could also increase the likelihood of an addiction.
Octavi López Coronado | alfa
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Plant biologists identify mechanism behind transition from insect to wind pollination
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Researchers from the University of Basel have reported a new method that allows the physical state of just a few atoms or molecules within a network to be controlled. It is based on the spontaneous self-organization of molecules into extensive networks with pores about one nanometer in size. In the journal ‘small’, the physicists reported on their investigations, which could be of particular importance for the development of new storage devices.
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A widely used diabetes medication combined with an antihypertensive drug specifically inhibits tumor growth – this was discovered by researchers from the University of Basel’s Biozentrum two years ago. In a follow-up study, recently published in “Cell Reports”, the scientists report that this drug cocktail induces cancer cell death by switching off their energy supply.
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A research team from the University of Zurich has developed a new drone that can retract its propeller arms in flight and make itself small to fit through narrow gaps and holes. This is particularly useful when searching for victims of natural disasters.
Inspecting a damaged building after an earthquake or during a fire is exactly the kind of job that human rescuers would like drones to do for them. A flying...
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18.12.2018 | Physics and Astronomy
18.12.2018 | Physics and Astronomy