E-A-I-T-C-T-R-N-O-N-I
INTERACTION: communication or collaboration
L-I-A-A-M-S-T-S-I-E
ASSIMILATE: this is what takes the brain so long to do, according to Dr. Levitin.
V-A-N-T-A-S
SAVANT: a person with extraordinary mental skills might be this.