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Anyone who has tried and failed to meditate knows that our minds are rarely still. But where do they roam? New research led by UC Berkeley has come up with a way to track the flow of our internal thought processes and signal whether our minds are focused, fixated or wandering.<br /> ....
UC Berkeley researchers co-author study on thought streams UC Berkeley researchers in neuroscience and philosophy published a study on identifying brain markers of internal thought patterns Monday. UC Berkeley researchers in neuroscience and philosophy published a study on identifying brain markers of internal thought patterns Monday. The researchers tracked directed, wandering and “sticky” or obsessive thoughts using electroencephalograms, or EEGs, which are used to map electrical activity in the brain. The study also redefined a previous understanding of mind wandering and could potentially measure how different streams of thought relate to clinical disorders such as ADHD or anxiety. “Some of these internal thought patterns are off the rails in people with psychological disorders,” said campus psychology and neuroscience professor Robert Knight, who co-authored the study. “The more we understand normal brain processes, the more insight we get into psych ....
Researchers have come up with a way to track the flow of our internal thought processes and signal whether our minds are focused, fixated, or wandering. Using an electroencephalogram (EEG) to measure brain activity while people performed mundane attention tasks, researchers identified brain signals that reveal when the mind is not focused on the task at hand or aimlessly wandering, especially after concentrating on an assignment. Specifically, increased alpha brain waves were detected in the prefrontal cortex of more than two dozen study participants when their thoughts jumped from one topic to another, providing an electrophysiological signature for unconstrained, spontaneous thought. Alpha waves are slow brain rhythms whose frequency ranges from 9 to 14 cycles per second. ....