cer·e·bral 
(sĕrə-brəl, sə-rē-)
(sĕrə-brəl, sə-rē-)adj.
1. Of or relating to the brain or cerebrum.
2. Appealing to or requiring the use of the intellect; intellectual rather than emotional: "His approach is cerebral, analytical, cautious" (Helen Dewar).
cer·ebral·ly adv.