Psychology in Action

Tag: genetics

  • Understanding Cellular Aging

    Understanding Cellular Aging

    In my last article, I talked about epigenetics and how we can measure epigenetic changes (read here if you missed it). Now we’re moving on to the good stuff—how we assess epigenetic aging and what it means for biological and psychological research. Many Different Clocks             With about 20,000 protein-coding genes, there is a big…

  • Do Our Cells Age as Quickly as We Do?

    Do Our Cells Age as Quickly as We Do?

    Measuring Chronological Age Aging is something that we all experience, but that we still struggle to understand. We know that aging is natural and allows us to mature, and is ultimately related to natural mortality. Many researchers have sought to develop a measure for aging in our cells. A measure of aging can help us…

  • Feeling the Love [Hormone]: the Oxytocin Receptor

    Feeling the Love [Hormone]: the Oxytocin Receptor

    Oxytocin has gotten a lot of hype as the biological basis of our favorite human emotion, Love. Oxytocin is a hormone produced by the hypothalamus and released by the posterior pituitary gland. The oxytocin system is involved in HPA axis and autonomic nervous system functions as well as reproductive functions and social behaviors.  We are coming…

  • Got Issues: Blame Your Grandma

    The idea of the tabula rasa is all but forgotten. Advances in modern genetics have taught us that not only are we not a blank slate at birth, but we are not even simply the product of our genes. The environment interacts with our genes to shape our development, however, it is not only OUR…

  • Are genetics destiny for psychiatric disorders?

    Are genetics destiny? Simplistic thinkers may say so, but what scientists are learning is that, though many traits are heritable (e.g., height, extraversion, IQ), it is difficult to find a “gene” for the vast majority of traits. At the completion of the human genome project, there were high hopes that single genes could be located…

  • Pharmacogenetics in Psychiatry: Towards Genetically Informed Personalized Medicine

    Twin and adoption studies have consistently demonstrated significant genetic contribution to psychiatric disorders ranging from roughly 30% for major depression to approximately 80% in bipolar disorder. While modern research is far from explaining the precise mechanisms through which genetic variations account for psychiatric disorders, it is clear that biological factors are critical in the development…

  • Gene linked to psychological resources

    UCLA psychology graduate student Shimon Saphire-Bernstein and Dr. Shelly Taylor identified the first gene to be linked to the psychological resources of optimism, self-esteem and mastery (the belief that you have control over your own life). They have been getting major media attention for their great scientific contribution. Check out the UCLA press release here. 

  • Cutting edge research: environmental influences on genetics

    Throw out what you learned in 9th grade biology class. The age old idea that your genetic profile is static and there is nothing you can do to change the DNA hand you’ve been dealt, is likely not true. A new article in the American Psychological Association’s magazine the Monitor on Psychology nicely reviews the…

  • Is ADHD a real disorder?

    Despite overwhelming scientific evidence that approximately 5 percent of children have a specific deficit in attention compared to children of their same age and sex, many people still question whether ADHD (and some still call it it’s former name: ADD) is a real disorder. A recent article in the New York Times takes on this…

  • Gene expression difference in lonely versus socially integrated people

    Psychoneuroimmunology is a field you may not have heard of before, but if you break it down it’s pretty clear what the field studies: psych is for psychological, neuro for neuroendocrine (read: hormones), and  immunology for immune system. So it’s a field that studies how the mind effects the body. And specifically, how stress effects…