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INTRODUCTION It has been hypothesized that two distinctive forms of Internet addiction exist. Here, generalized Internet addiction refers to the problematic use of the Internet covering a broad range of Internet-related activities. In contrast, specific forms of Internet addiction target the problematic use of distinct online activities such as excessive(More)
The present study focuses on the neurostructural foundations of the human personality. In a large sample of 227 healthy human individuals (168 women and 59 men), we used MRI to examine the relationship between personality traits and both regional gray and white matter volume, while controlling for age and sex. Personality was assessed using the German(More)
MDMA is a widely abused amphetamine derivative that alters serotonin (5-HT) release via the reverse serotonin re-uptake transporter (SERT) mechanism. This phenomenon leads to neurotoxicity in the synaptic clefts, especially in the striatum. As the major function of the striatum is planning and modulating movement pathways and cognitive processes, the(More)
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