anhedonia Archives - Gateway Psychiatric

Anhedonia and Ketamine

Peter Forster — Thu, 11 Dec 2014 20:27:14 +0000

Anhedonia, meaning the loss of the normal experience of pleasure in life, can be one of the most troubling symptoms of depression. And also one for which we have relatively few treatments. We know that a small group of dopamine neurons in the ventral tegmentum (limbic system) which project to the prefrontal cortex, among other locations in the brain, are ...

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Beta Catenin and Depression

Peter Forster — Sun, 30 Nov 2014 17:26:03 +0000

Beta catenin is a molecule that may play a key role in preventing depression in those exposed to stress, at least if mice and humans share the same biology. Beta catenin is involved in a number of quite different functions in the cell. To give you an idea, it may be involved in the development of cancer (it is a ...

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Anhedonia Treatment with Ketamine

Peter Forster — Tue, 25 Nov 2014 14:15:18 +0000

The treatment of anhedonia and bipolar depression can be very difficult. An article published in Translational Psychiatry in October of 2014 highlights the role of glutametergic transmission in anhedonia and points to the potentially unique efficacy of ketamine in treating this stubborn problem. Anhedonia, the lack (an-) of pleasure (-hedonia), is one of the 2 main symptoms of a major ...

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