Complex sentence: The structural and functional characteristic of the brain varies greatly between individuals; therefore any neural implant has to be specific to each individual, which requires a precise model of the hippocampus and the use of advanced brain imagery to determine individual variance.
Split into simpler sentences: The structural and functional characteristic of the brain varies greatly between individual; therefore any neural implant has to be specific to each individual. Which require precise model of the hippocampus and the use of advanced brain imagery to determine individual variance.