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Former Israeli Prime Minister’s Significant Brain Activity – How Do We Know?
Israeli scientists and UCLA’s Dr. Martin Monti recently found that former Prime Minister Ariel Sharon demonstrates significant brain activity. Seven years ago Sharon suffered two strokes. The second stroke caused him to lose most of his consciousness. Sharon is in a minimally conscious state, a little more aware than a coma or a persistent vegetative…
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New paper by UCLA alums highlights emerging trend in cognitive neuroscience
Psychologists aim to better understand the link between internal and external states, that is, between cognitions and behaviors. Behaviors are often clear enough to measure, but accurately capturing the essence of a cognition can be a much fuzzier task. For instance, suppose you were interested in the relationship between how much someone enjoys rewards (reward…
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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…
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Revisit: fMRI and the “lit up” brain
I wrote a post a few months ago about some common misconceptions about functional magnetic resonance imaging (fMRI), and one of my main points was that the term ‘lights up”, which is often used when describing the areas of the brain that respond to a task, is misleading. Here is what I said on the subject:…
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Space Invader: Patient with Amygdala Damage Disregards Personal Space
Recent research by Ralph Adolphs, a neuroscientist at Cal Tech, suggests that the amygdala, an almond-shaped brain structure buried deep within the temporal lobes, is important for maintaining a sense of personal space. When walking up to a stranger, most people prefer to keep their distance– while the precise distance depends on the individual, we…
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Read My Mind! Can new science technology really translate my brain activity into words?
Have you ever wanted to be able to read minds? As children, we are especially smitten with the idea of having special ‘powers’ like these, although we quickly learn that such magical abilities are far from reality. Yet given the new imaging and electrophysiological methods that have allowed researchers to discover even more about the…
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Swing state neurons?
In a tight election, attention immediately turns to swing voters. Poll analysts swarm them with a barrage of questions to predict which candidate may garner more of their crucial votes. In anticipation of the 2008 election, analysts went one step further and looked not only at swing voters’ survey responses but also their neural responses.
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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…
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Stress Affects Risk Taking Differently for Men and Women
by Andrew Sanders and Kate Humphreys Making decisions can be a difficult task. How do we choose to get from point A to point B? Does our decision change whether we are running late for an important engagement? Does stress facilitate our decision making, and if so, does it matter whether we are trying to…