“Are You A ‘Testosterone’ or A ’Dopamine’?” Reports on a new brain-based personality test designed to help people better understand both their own psychology and their relationships, particularly romantic ones. The test, the Fisher Temperament Index, identifies four brain systems that have been linked by research to personality traits. It was developed a biological anthropologist, Helen Fisher, who set out to develop a personality test to replace tests like the Myers-Briggs Type Indicator (MBTI).
“Here’s what the evidence shows about the links between creativity and depression” was posted by the British Psychological Society Research Digest online blog on 1-3-18. This is a fairly long and detailed article that reviews research recently published in the journal Perspectives on Psychological Science. The researchers surveyed almost 3000 studies of the relationship between creativity and mood disorders, and selected 36 for analysis.
“Novel Intranasal Ketamine Effective for Resistant Depression” was posted online by Medscape on 1-9-18. This article reports on a study that builds on previous research about of ketamine for treatment resistant depression (TRD). Many of the previous studies, however, have suffered from methodological problems, including small-sometimes very small-numbers of subjects and very basic research design. The current study started by screening under 26 adults with MDD and assessed to fit the TRD pattern, with 67 selected for the randomized treatment protocol, and 60 completed the complete, multi-stage research protocol which included two double-blind treatment periods.
“Exercise and The Prevention of Depression: Results of the HUNT Cohort Study” was published by the American Journal of Psychiatry in the January 2018 issue. MHConcierge has reported frequently on studies like this, but this one is notable for a couple of reasons: the study was a perspective study which followed 33,908 (!) adults for 11 years. The subjects were initially “healthy,” without current symptoms of depression or anxiety. The study was designed to specifically research whether exercise provides protection against new-onset depression and anxiety, and if so what “dose” of exercise is required to gain protection. The results find
“The Surprising Effects of Loneliness on Health” reports on research building on previous research that established potentially harmful effects of loneliness and socialization on health and launch activity. The current research makes more of a distinction between, which involves the subjective sense of isolation” versus social isolation, which may or may not involve loneliness.