To understand Joy we need first to experience pain
Finding this story on the face of it I can see the benefit for some real bad memories but if you debate on this issue I feel it could become over used and dangerous. Trauma, mistakes and experiences even bad experiences are learning experiences. I am not looking for sympathy here far from it but I and many others have gone through trauma and come out the other side. And when you do go through something dreadful, you don't forget it ever, the memories are still there but it doesn't hurt anymore, its just a memory and its a memory that has taught us something. Pain is a necessary part of life for without it, how would we appreciate happiness and joy and relief. There are many therapies that can help cope with painful memories and trauma and ease the pain but we don't need to forget them. Its all those experiences that make us who we are.
Erase painful memories: Scientific breakthrough could let us delete trauma from our minds
End of trauma? Scientists have discovered a link between a protein called PKM and our recollection of disturbing events
Now scientists claim they are on the verge of a breakthrough after finding a way to potentially delete trauma from our minds.
They have discovered a link between a protein called PKM and our recollection of disturbing events.
Their study, published in the Journal of Neuroscience, could have profound implications for war veterans, the victims of violent crimes and those suffering from post-traumatic stress disorder.
Lead researcher David Glanzman, from the University of California, Los Angeles, said: 'I think we will be able to alter memories someday to reduce the trauma from our brains.
'Not in the immediate future, but I think we will be able to go into one's brain, identify the location of the memory of a traumatic experience and try to dampen it down.
'We can do this in culture, and there is no essential difference between the synapse in culture and the synapse in your brain.'
Professor Glanzman, a cellular neuroscientist, and his team reported that they have eliminated, or at least substantially weakened, a long-term memory in both the marine snail known as Aplysia and neurons in a Petri dish.
The researchers said they have gained important insights into the cell biology of long-term memory.
They discovered that the long-term memory for sensitisation in the marine snail can be erased by inhibiting the activity of PKM, a protein associated with memory.
The research could also help treat drug addiction, in which memory plays an important role, and perhaps Alzheimer's disease and other long-term memory disorders.
Researchers claim they have eliminated, or at least substantially weakened, a long-term memory in both a marine snail and neurons within a Petri dish
They looked at a simple kind of memory called sensitisation. If marine snails are attacked by a predator, the attack heightens their sensitivity to environmental stimuli - a 'fundamental form of learning that is necessary for survival and is very robust in the marine snail,' Professor Glanzman said.
They succeeded in erasing a long-term memory, both in the snail itself and in the circuit in the dish.
The researchers are the first to show that long-term memory can be erased at a connection between just two neurons.
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