Experts who research addiction have long argued that it is a disease of the brain. Now, in a new paper, they present a model of addiction, broken down into three key stages, to illustrate how the condition changes human neurobiology.
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With its eight grasping arms, camouflage-like skin, and large, doughnut-shaped brain, the octopus’ unique physical traits have intrigued scientists for centuries–the late British zoologist Martin Wells dubbed the sea-dwelling creature an alien. Now the predatory mollusk, which is thought to be one of the most intelligent invertebrates, with elaborate problem-solving and learning behaviors, has beat out squid, cuttlefish, and nautiluses in becoming the first cephalopod to have its entire genome sequenced.
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