Reading University researchers have developed a robot controlled by cultured neurons which could help explain memory, the development of the brain, and disorders that affect it.
The neurons are mounted on a multi-electrode array (MEA), a dish with approximately 60 electrodes which pick up the electrical signals generated by the cells. This biological brain is then used to drive the movement of the robot.
When the robot approaches an object, the electrodes stimulate the brain. In response, the brain's output is used to steer the wheels of the robot so that it moves around in an attempt to avoid hitting objects, controlled solely by the brain, without any external input.
The researchers are now working towards getting the robot to learn more by applying different signals as it moves into predefined positions. The team members hope that as the learning progresses, they will be able to observe how memories manifest themselves in the brain when the robot revisits familiar territory.
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