But , shown the correct answer , the system can work its way back , modifying its own parameters so that the next time it sees a similar image it will respond appropriately .
By modifying the ahl protein to create a constriction within the nanopore , dr bayley showed that it is possible to ensure that the variation in current is determined by a single base , which can then be identified .
In a newly released video from this year 's ted conference , miesenboeck , a professor at oxford , explains his pioneering work in the field of optogenetics , which involves genetically modifying nerve cells to react to light .