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Ryan Catalani

BBC News - Web addicts have brain changes, research suggests - 1 views

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    "Web addicts have brain changes similar to those hooked on drugs or alcohol, preliminary research suggests. ... Dr Hao Lei and colleagues write in Plos One: 'Overall, our findings indicate that IAD has abnormal white matter integrity in brain regions involving emotional generation and processing, executive attention, decision making and cognitive control.' ... Prof Gunter Schumann, chair in biological psychiatry at the Institute of psychiatry at King's College, London, said similar findings have been found in video game addicts. ... further studies with larger numbers of subjects were needed to confirm the findings." Link to the actual study: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0030253
Lara Cowell

Can Talk Therapy Help Persons with Schizophrenia? - 0 views

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    Schizophrenia is a very disabling psychiatric illness affecting about 2 to 3 million Americans. Contrary to popular perception, it has nothing to do with a "split personality." Schizophrenia is a chronic brain disorder involving "positive" and "negative" symptoms. Positive symptoms include hallucinations (hearing voices or seeing visions that aren't real), delusions (fixed false beliefs), and disorganized thinking or speech. A recent study in the Archives of General Psychiatry by Paul Grant, Aaron Beck, and their colleagues found that a modified version of cognitive-behavioral therapy (CBT), a specific type of talk therapy, can produce clinically significant improvement in patients with schizophrenia. Importantly, significant improvement was seen in certain negative symptoms-apathy/avolition (lack of drive)-as well as in positive symptoms. These results are impressive, especially considering that the participants had been ill for an average of 18 years and suffered from severe symptoms. In this study, study participants were divided into two groups. One group received CBT in addition to "standard treatment," which included treatment with antipsychotic medications. The other group received standard treatment alone. CBT has been shown to be effective in a variety of psychiatric illnesses. It uses pragmatic techniques to help a person correct inaccurate or dysfunctional thoughts and emotions by promoting critical comparison of those thoughts with observable facts. For example, if a person believes that he/she is "doing absolutely nothing," one CBT technique would be to encourage the person to keep a detailed diary of daily activities. The therapist would later review this diary with the patient and facts would be compared to perceptions. Homework assignments would include strategies to increase productive activities. In the study mentioned above, the researchers focused CBT "on identifying and promoting concrete goals for improving quality of life and
Lara Cowell

Emotional and physical health benefits of expressive writing - 0 views

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    Article abstract: Writing about traumatic, stressful or emotional events has been found to result in improvements in both physical and psychological health, in non-clinical and clinical populations. In the expressive writing paradigm, participants are asked to write about such events for 15-20 minutes on 3-5 occasions. Those who do so generally have significantly better physical and psychological outcomes compared with those who write about neutral topics. Here we present an overview of the expressive writing paradigm, outline populations for which it has been found to be beneficial and discuss possible mechanisms underlying the observed health benefits. In addition, we suggest how expressive writing can be used as a therapeutic tool for survivors of trauma and in psychiatric settings. This article provides a succinct review of relevant studies in this area, from 20 years ago to the present.
Lara Cowell

The Neuroscience & Power of Safe Relationships - Stephen W. Porges - SC 116 - The Relationship School® - 0 views

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    Stephen Porges, psychiatry professor and Distinguished University Scientist at Indiana University, where he directs the Trauma Research Center within the Kinsey Institute, speaks about the importance of safety in relationships. Porges' Polyvagal Theory describes how our autonomic nervous system mediates safety, trust, and intimacy through a subsystem he calls the social engagement system. Our brain is constantly detecting through our senses whether we are in a situation that is safe, dangerous, or life threatening. People's autonomic nervous system are designed to perceive threat: a protective, defensive survival mechanism, but a response that can also get us into trouble if we sense that our safety is at risk, causing us to misread the situation. However, humans also have a mammalian mechanism that mediates those gut-level ANS responses. This social engagement system enables us to interpret linguistic, facial, tonal, intonation, and gestural cues, and the intentionality of others. When our body and mind experience safety, our social engagement system enables us to collaborate, listen, empathize, and connect, as well as be creative, innovative, and bold in our thinking and ideas. This has positive benefits for our relationships as well as our lives in general. The takeaways: 1. Safety is paramount in crucial conversations and conflict-resolution. 2. Learning to deploy cues that display love, trust, and engagement in the midst of conflict can help disarm defensive, threat response mechanisms in other people, help restore safety in our social interactions, and reaffirm bonds.
Lara Cowell

Ability to learn new words based on efficient communication between brain areas that control movement and hearing - 1 views

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    Researchers from King's College London Institute of Psychiatry, in collaboration with Bellvitge Biomedical Research Institute (IDIBELL) and the University of Barcelona, mapped the neural pathways involved in word learning among humans. They found that the arcuate fasciculus, a collection of nerve fibres connecting auditory regions at the temporal lobe with the motor area located at the frontal lobe in the left hemisphere of the brain, allows the 'sound' of a word to be connected to the regions responsible for its articulation. Differences in the development of these auditory-motor connections may explain differences in people's ability to learn words. Researchers used diffusion tensor imaging to image the structure of the brain before a word learning task and functional MRI, to detect the regions in the brain that were most active during the task. They found a strong relationship between the ability to remember words and the structure of arcuate fasciculus, which connects two brain areas: the territory of Wernicke, related to auditory language decoding, and Broca's area, which coordinates the movements associated with speech and the language processing. In participants able to learn words more successfully their arcuate fasciculus was more myelinated i.e. the nervous tissue facilitated faster conduction of the electrical signal. In addition the activity between the two regions was more co-ordinated in these participants. Dr Catani concludes, "Now we understand that this is how we learn new words, our concern is that children will have less vocabulary as much of their interaction is via screen, text and email rather than using their external prosthetic memory. This research reinforces the need for us to maintain the oral tradition of talking to our children."
Lara Cowell

Are Teenagers Replacing Drugs With Smartphones? - 0 views

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    Though smartphones seem ubiquitous in daily life, they are actually so new that researchers are just beginning to understand what the devices may do to the brain. Researchers say phones and social media not only serve a primitive need for connection but can also create powerful feedback loops. "People are carrying around a portable dopamine pump, and kids have basically been carrying it around for the last 10 years," said David Greenfield, assistant clinical professor of psychiatry at the University of Connecticut School of Medicine and founder of The Center for Internet and Technology Addiction.
Lara Cowell

Disagreeing Takes up a Lot of Brain Real Estate - Neuroscience News - 1 views

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    A Yale-led research team examined the brains of 38 couples engaged in discussion about controversial topics. For the study, the researchers from Yale and the University College of London recruited 38 adults who were asked to say whether they agreed or disagreed with a series of statements such as "same-sex marriage is a civil right" or "marijuana should be legalized." After matching up pairs based on their responses the researchers used an imaging technology called functional near-infrared spectroscopy to record their brain activity while they engaged in face-to-face discussions. Their findings: When two people agree, their brains exhibit a calm synchronicity of activity focused on sensory areas of the brain, such as the visual system, presumably in response to social cues from their partner. When they disagree, however, many other regions of the brain involved in higher cognitive functions become mobilized as each individual combats the other's argument. Sensory areas of the brain were less active, while activity increased in the brain's frontal lobes, home of higher order executive functions. Joy Hirsch, Elizabeth Mears and House Jameson Professor of Psychiatry and professor of comparative medicine and neuroscience, as well as senior author of the study, said that in discord, two brains engage many emotional and cognitive resources "like a symphony orchestra playing different music." In agreement, there "is less cognitive engagement and more social interaction between brains of the talkers, similar to a musical duet."
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