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In Chapter 12, "The Opium Fields," author Marc Lewis recounts one night spent in the brain chemistry-bending grip of opium addiction.


image: Dopamine: Duality of Desire

Dopamine: Duality of Desire

By | May 1, 2012

Being an ex-drug-addict turned neuroscientist brings a unique insight into the physiological and phenomenological realities of addiction.


image: Double Blind

Double Blind

By | October 1, 2011

The mother of disabled twins doggedly pursued the root of her children's illness and found it in their genome profiles.


image: Learning Addiction

Learning Addiction

By | July 13, 2011

Eleanor Simpson, a neuroscientist at Columbia University Medical Center, discusses a recent Nature paper that probes dopamine's role in helping animals make positive associations to stimuli that herald pleasurable outcomes (such as the handing out of food).


image: For Whom the Bell Tolls

For Whom the Bell Tolls

By | July 1, 2011

Eleanor Simpson on how dopamine helps rats learn and may lead humans to addiction.


image: Death or Damage of Dopamine Neurons

Death or Damage of Dopamine Neurons

By | February 1, 2011

The hallmark pathology of Parkinson’s disease is the damage and death of dopamine producing neurons in the brain. 


image: The Genes of Parkinson’s Disease

The Genes of Parkinson’s Disease

By | February 1, 2011

The minority of Parkinson’s cases now known to have genetic origins are shedding light on the cellular mechanisms of all the rest, bringing researchers closer to a cause—and perhaps a cure.


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