Eventually, over 10, to 15, trials, each of the dozen rats in the experiment learned motor sequences equal to the task. We kept training them for many months, but their variability remained high.
Creatures of Habit (Part One)
They never learned the task. It suggests that the motor cortex is a tutor that uses its superior knowledge to instruct subcortical circuits how to perform new tricks. And when these circuits get to the point where they can do the same thing every time, then the motor cortex becomes dispensable. But it was adapted for specific scenarios and lacked flexibility.
Our results suggest that the cortex was smart and found ways to use the subcortical motor controllers to its advantage.
"creature of habit" in American English
There are now pathways in the brain that allow the motor cortex to influence and reprogram subcortical circuits to increase their utility and flexibility. Offloading the execution of stereotyped motor behaviors to these lower-level circuits frees up the motor cortex to do more sophisticated things. Motor cortex is critical to learn new skills, but may not be needed to perform them, study says. Is your home making you sick? Study finds performance-enhancing bacteria in human microbiome. No laughing matter.
Creature of Habit - Wikipedia
What he found, however, was the opposite. Two rats that have learned the timed lever-pressing task are seen performing it before and after lesions to the motor cortex. External Sites. User Reviews.
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Creatures of Habit
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Director: Laurence Trimble. Writer: Laurence Trimble.
Stars: Florence Turner , Tom Powers. Photos Add Image Add an image Do you have any images for this title? Edit Cast Cast overview: Florence Turner Flo Tom Powers Edit Storyline A fussy couple's nervous habits are imitated by their children. Edit Details Country: UK.
Language: English. Sound Mix: Silent. Color: Black and White. Add the first question.