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The research showing that specific mental functions do not correspond directly with certain brain areas but rather a unique pattern of neural connections also provides a more accurate direction for mapping the effective connectivity of the brain. Known as the Connectome Project, the goal of researchers involved in that work is to provide a complete map of the neural circuitry of the central nervous system.
“What our research shows is that if you want to understand human cognitive function, you need to look at system-wide behavior across the entire brain,” explains Hanson. “You can’t do it by looking at single cells or areas. You need to look at many areas of the brain to even understand the simplest of functions.”
The study involved 130 participants, each of whom performed a different mental task, ranging from reading, to memorizing a list, to making complex decisions about whether to take monetary risks, while being scanned using fMRI. The researches were able to identify which of eight tasks participants were involved in with more than 80-percent accuracy by analyzing the participants’ fMRI data against classifications developed from the fMRIs of other individuals. The researchers also were able to identify what class of objects (faces, houses, animals, etc.) a person was viewing before he or she could report that information by analyzing the pattern of brain activity at the back of the brain where information is processed and then conveyed towards the frontal regions associated with awareness.
“It’s like looking at two patterns of identical flower arrangements,” says Hanson. “They each may have the same flowers but they will not be arranged exactly in the same manner, consequently leading to slight differences in the overall pattern. Using the pattern analysis methods we have developed, there are clues that can be detected and pulled out.”
As part of their continuing research, Hanson and his team plan to develop a system for identifying neural connectivity abnormalities to assist with the study of such mental disorders as attention-deficit hyperactivity and autism and to produce a handbook for many of the new tools used for pattern analysis and the classification of mental states based on neuroimaging data.
Originally posted by Welfhard
This is cool stuff. The brain is an astonishing product of evolution.
Originally posted by Epsillion70
Originally posted by Welfhard
This is cool stuff. The brain is an astonishing product of evolution.
Lol Its just a lump of 3 pound meat. Which one thinks does all these weird and wonderful things.
The Mind is the actual marvel