TMS Predictors of Outcome

TMS Predictors of Outcome in Bipolar Depression and Unipolar Major Depression

Peter ForsterBipolar Treatment, Major Depression, Treatments of Depression Leave a Comment

What TMS predictors of outcome in bipolar depression and unipolar major depression can we use to identify those who are likely to respond to treatment? An article in 2017 in the journal Clinical Neurophysiology reports data from a very large series of patients with both types of depression who were treated with TMS. The study looked at records from 105 …

Maintenance TMS

Maintenance TMS

Peter ForsterMajor Depression, Treatments of Depression Leave a Comment

A patient with treatment resistant depression and an excellent initial response to TMS asked me about the value of maintenance TMS. The question is a reasonable one given what we know generally about the treatment of chronic and/or treatment resistant depression. Almost all of the effective treatments (psychotherapy, medications, ECT, etcetera) have acute and maintenance treatment components. And for all …

State and Trait Brain Function in Depression

State and Trait Brain Function in Depression

Peter ForsterBasic Science, Major Depression, Psychobiology Leave a Comment

Understanding the neurobiology of depression involves more than just knowing about serotonin, we need to know how state and trait brain function in depression is different from brain functioning in those who have never had a major depression. State and trait are key concepts in understanding psychiatric conditions: state refers to those alterations in functioning that occur when someone is …

ketamine long term effects

Long Term Effects of Ketamine

Peter ForsterMajor Depression, Treatments of Depression Leave a Comment

One of my patients asked me what the long term effects of ketamine are. She was particularly interested in long-term adverse effects. The last time I did a review of the literature I noted that there seem to be very little information available. This is not surprising with the psychiatric literature since ketamine and its use for chronic depression are …

Reduced Gene Expression in Reward Center is Linked to Depression

Peter ForsterBasic Science, Major Depression, Psychobiology Leave a Comment

Researchers from the University of Maryland have conducted a series of experiments in mice and humans leading them to conclude that reduced gene expression in the reward center is linked to depression. Specifically, the researchers found that there was reduced expression of the Slc6a15 gene in the brains of people with major depression who committed suicide, and that expression of this …

Genetic Tests for Antidepressants – CNS Dose

Peter ForsterBest Practices, GPS Update, Major Depression, Testing, Treatments of Depression Leave a Comment

About a year ago we reviewed the data on the use of genetic tests for antidepressants as well as other medications and identified three pharmacogenetic panels that seem to have research support: Genecept by Genomind, Genesight, and CNS Dose. Of these three we have been using Genecept and Genesight with some success but now we are happy to add to …

Brain Response to Stress in Depression

Brain Response to Stress in Depression

Peter ForsterBasic Science, Major Depression, Psychobiology Leave a Comment

A study looking at the brain response to stress in depression offers important clues about changes in brain function that may be associated with vulnerability to depression and what happens when a vulnerable individual becomes depressed. Researchers looked at brain activity using functional MRI in three groups of people: people with untreated first episode major depression, people with a history …

Negative Self Appraisal and Brain Activity

Negative Self-Appraisal and Brain Activity

Peter ForsterBasic Science, Major Depression, Psychobiology Leave a Comment

Negative Self-Appraisal and Brain Activity: Altered Function in Depression Within the Default Mode Network (DMN) are three structures that link negative self-appraisal and brain activity: The medial prefrontal cortex (MPFC) The posterior cingulate cortex (PCC) And the inferior parietal lobule (IPL) Negative self-appraisal refers to the relentless critical self talk that occurs in many people with depression. Many patients report …

Functional Brain Imaging in Depression

Peter ForsterBasic Science, Best Practices, Major Depression, Psychobiology, Testing, Treatments of Depression

Is there a role for functional brain imaging in depression? Many people seeking treatment are interested in the notion that the brain imaging, particularly imaging that looks at neural activity, might be useful in guiding treatment. Up until the last couple of years the answer to this question has always been that the role is primarily restricted to research settings …