04 Nov Cannabis Causes Disturbances in Concentration and Memory
Neuroscientists at the University of Bristol recently discovered that cannabis use can cause disruptions in concentration and memory that make brain activity inaccurate and uncoordinated. Cannabis causes altered mind activity that can later lead to behavioral impairments as well as neurophysiologic ones that are similar to those witnessed with schizophrenia patients.
The article in Medical News Today reviewed a study by Dr. Matt Jones from Bristol’s School of Physiology and Pharmacology, showing the harmful effects cannabis can have on cognition and memory that might be the consequence of these unorchestrated brain systems. The researchers used state-of-the-art technology to measure the electrical activity in rats’ neurons after they were given drugs that mimicked marijuana. They discovered that even though effects were subtle, brainwaves were completely disrupted in two cortexes.
Researchers compared this brain activity to that of a philharmonic orchestra in that each musical section was grouped together with rhythms dictated by a conductor much like brain structures tune in to one another to process information and guide behaviors. When testing the rats, it was as if two sections of the “orchestra,” the hippocampus and prefrontal cortex, were not in synch with one another. Since these two cortexes are essential for decision-making and memory capabilities, the implication leads toward the path of schizophrenia.
The results showed that the rats were unable to make the correct decisions to navigate around their maze. The findings proved important to understanding the disease, indicating that it might be treated with brain activity that re-tunes the organ.
The results of the study were a significant step toward understanding how rhythmic brain activities underlie the thought processes with disease and health.
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