Posted by Not Bob on January 4, 2003, at 19:55:44
In reply to thanks for the links. here's one... » Not Bob, posted by beardedLADY on January 4, 2003, at 6:15:19
Hey Bearded...
Well, below is some studies and who did them. The link you gave didn't say where they got the info. I wonder if they confused latency with duration? I tried to email them but their physician response section is down and there is no way to contact them until they open it back up. I couldn't find any other links that support what they say. That's the problem with the net - so much misinformation. I am glad that you are helping me search this out. I also wonder how the REM latency and percentages differ between people with insomnia depression and people with hypersomnia depression. Also, I find it interesting that Alcohol has also been shown to decrease REM. I wonder if this could be why depressives are more prone to alcoholism? Self-medication maybe?http://www.michaelgrandner.com/mg/relay/papers/sleepeegdepression.doc
"Another major study, undertaken by the World health Organization (WHO), took measures from laboratories all over the world (i.e., Athens, Brussels, Mexico, Munich, Naples, Sapporo, Tokyo and Zegreb) in order to validate the connection between polysomnography measures and depression (Mendlewicz & Kerkhofs, 1991). This study found that depressed patients showed lowered stage 2 percent, lowered stage 3 percent, lowered stage 2 time, lowered stage 3 time, and decreased REM onset latency. Additionally, they found that depressed patients exhibited increased stage 1 percent, more REM onset latency awake time, higher REM density and increased REM percent (Mendlewicz & Kerkhofs, 1991).""For example, almost all antidepressant medications suppress REM activity (Vogel, Buffenstein, Minter, & Hennessey, 1990). Monamine oxidase inhibitors (MAOIs) have the strongest effect, sometimes virtually eliminating REM altogether during treatment (Boyd & Weissman, 1981; Wyatt, Fram, Buchbinder & Snyder, 1971; Wyatt, Fram, Kupfer, & Snyder, 1971). Newer antidepressants, such as SSRI and tricyclic medications, reduce REM activity by 50 percent or more (Hartmann, 1968; Kupfer, Spiker, & Rossi, 1982). Even ECT has been shown to prolong REM onset latency (Grunhaus, Tiongco, & Pande, 1988)."
poster:Not Bob
thread:1982
URL: http://www.dr-bob.org/babble/psycho/20021230/msgs/2110.html