Sep 11, 2012 1:31 PM
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Scientists Invent Method to Create Memories in Brains
I
find this extremely hard to believe, but according to new research
published in Nature Neuroscience, scientists have invented a method to
induce memories in brains for the first time in history.
Total Recall—here we come.
The study—published by Case Western Reserve University School of Medicine's Professor of Neurosciences and Physiology/Biophysics Ben Strowbridge, PhD, and MD/PhD student Robert A. Hyde—shows a method to store different types of short-term memories, which they have successfully tested in brain tissue stored in vitro.
Titled "Mnemonic Representations of Transient Stimuli and Temporal Sequences in Rodent Hippocampus In Vitro", their paper describes how they used a piece of mouse brain tissue to form the necessary circuits to record a short-term declarative memory. This type of memory can be something like names, places and events.
These neural circuits—located in the hippocampus—retained the memory from different stimuli for ten seconds. The researchers were able to observe the recording of these artificial memories by tracing the activity of the brain cells. According to Hyde, "the type of activity we triggered in isolated brain sections was similar to what other researchers have demonstrated in monkeys taught to perform short-term memory tasks. Both types of memory-related activity changes typically lasted for 5-10 seconds."
Uncanny. The rat brain in vitro was even able to remember different sequences of events.
The objective of the study is to better understand how short-term memories form in our brains. According to Doctor Strowbridge, "this is the first time anyone has found a way to store information over seconds about both temporal sequences and stimulus patterns directly in brain tissue. This paves the way for future research to identify the specific brain circuits that allow us to form short-term memories." Their research would also help in the fight against diseases like Alzheimer's or Parkinson's disease. [Nature via Science Daily via Geekosystem]
Total Recall—here we come.
The study—published by Case Western Reserve University School of Medicine's Professor of Neurosciences and Physiology/Biophysics Ben Strowbridge, PhD, and MD/PhD student Robert A. Hyde—shows a method to store different types of short-term memories, which they have successfully tested in brain tissue stored in vitro.
Titled "Mnemonic Representations of Transient Stimuli and Temporal Sequences in Rodent Hippocampus In Vitro", their paper describes how they used a piece of mouse brain tissue to form the necessary circuits to record a short-term declarative memory. This type of memory can be something like names, places and events.
These neural circuits—located in the hippocampus—retained the memory from different stimuli for ten seconds. The researchers were able to observe the recording of these artificial memories by tracing the activity of the brain cells. According to Hyde, "the type of activity we triggered in isolated brain sections was similar to what other researchers have demonstrated in monkeys taught to perform short-term memory tasks. Both types of memory-related activity changes typically lasted for 5-10 seconds."
Uncanny. The rat brain in vitro was even able to remember different sequences of events.
The objective of the study is to better understand how short-term memories form in our brains. According to Doctor Strowbridge, "this is the first time anyone has found a way to store information over seconds about both temporal sequences and stimulus patterns directly in brain tissue. This paves the way for future research to identify the specific brain circuits that allow us to form short-term memories." Their research would also help in the fight against diseases like Alzheimer's or Parkinson's disease. [Nature via Science Daily via Geekosystem]
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