PubMed · 17144207
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Darren Klingler. 2006. "Please help me...".. https://pubmed.ncbi.nlm.nih.gov/17144207/
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The scientific understanding of the neurobiological priniciples of alcoholism has made significant progress in recent years. Especially the effects of ethanol on the neurotransmitter-systems are well studied. Dopaminergic and GABAergic facilitation contribute to the stimulating effects of low doses of alcohol while many of its adverse effects are mediated by glutamatergic inhibition at higher doses. A reduced serotonine-metabolism was shown to be a risk factor for the development of an alcohol dependence. The historic success of absinthe is discussed in this context. Absinthe is a mixture of ethanol and thujone, a substance that leads to a GABAergic inhibition as well as a reduced serotonergic responsiveness. Many studies substantiate the role of cannabinoid as well as striatal opiate-receptors in alcohol-related disorders. Neuroimaging studies could prove the important role of the reward system in this connection. Genetic factors were shown to be predisposing, however biological and environmental factors have a regulatory effect on the gene expression. Disturbances of the hpa-axis (hypothalamus-pituitary gland-adrenal cortex) were also shown to play a role in alcohol dependence. The understanding of these neurobiological principles of alcohol-related disorders should contribute to enhance and improve their therapeutic options.
OBJECTIVE: Palinacousis seems to be a rare phenomenon in mental disorders. METHODS: In this paper, we report on a subject with alcohol hallucinosis who displayed one episode with palinacousis after remission from the typical acoustic hallucinations according to the disorder. DISCUSSION: The theoretical background and the relevance of this observation are discussed.