Search results
Results from the WOW.Com Content Network
First, serotonin system dysfunction cannot be the sole cause of depression, because not all patients treated with antidepressants show improvement, despite the fact that most patients still show a rapid increase in synaptic serotonin. Second, if significant mood improvements do occur, this is often not for at least two to four weeks.
NHS figures show that the number of people in England taking antidepressants continues to rise, with 8.3m patients receiving them in 2021/22.
This article needs to be updated. The reason given is: Many outdated sources and information (older than five years). Please help update this article to reflect recent events or newly available information. (July 2024) Medical condition Major depressive disorder Other names Clinical depression, major depression, unipolar depression, unipolar disorder, recurrent depression Specialty Psychiatry ...
[12] [13] [14] One interpretation is that depression manifests due to an imbalance of neurotransmitters in the brain, resulting in feelings of worthlessness and despair. Magnetic resonance imaging shows that the brains of people diagnosed with depression may have a hippocampus up to 10% smaller than those who do not exhibit signs of depression.
Depression is commonly attributed to a deficiency in monoamines, such as serotonin. The monoamine hypothesis of depression suggests that depression is primarily caused by a deficiency of several monoamines, namely serotonin, dopamine and norepinephrine. [2] This hypothesis is widely accepted due to its simplicity. [3]
Need help? Call us! 800-290-4726 Login / Join. Mail
SSRIs (selective serotonin reuptake inhibitors), which debuted in the 1980s, work on serotonin. SNRIs (serotonin and norepinephrine reuptake inhibitors) hit serotonin and norepinephrine.
A study also showed patients treated with cognitive therapy compared to those treated pharmaceutically did not show increase in cognitive depression symptoms when made to deplete their serotonin levels. [41] This highlights an existing complex relationship between serotonin and cognition that requires further clarification. [40]