Top Posts of 2011 #4 – Acquiring addiction?

Nora Volkow suggests that it is possible to acquire cocaine addiction from a combination of stress and exposure to cocaine: Dr. Nora Volkow, director of the National Institute on Drug Abuse, has shown in several brain-imaging studies that people addicted to such drugs as cocaine, heroin and alcohol have fewer dopamine receptors in the brain’s reward pathways than nonaddicts. … Continue reading Top Posts of 2011 #4 – Acquiring addiction?

Top Posts of 2011 #12 – Addiction redefined

The American Society of Addiction Medicine has issue a new definition of addiction. The short version good, but the long version is REALLY good. Here are some of the new elements, some of them are followed by my responses: Addiction is a primary, chronic disease of brain reward, motivation, memory and related circuitry. Nothing new … Continue reading Top Posts of 2011 #12 – Addiction redefined

Shaking the neurobiological monkey on the back

More spooky memory research with implications for trauma and addiction: The researchers injected a small protein - a peptide called ZIP - directly into an area of the addicted rats' basal forebrain called the nucleus accumbens, which controls pleasure and reward and which has been demonstrated to be connected to drug addiction. Afterward, the rats … Continue reading Shaking the neurobiological monkey on the back