sodium amytal test: anesthetize one hemisphere and check for language function dichotic listening test: report more digits heard by dominant half functional brain imaging: fMRI or PET used to see which half is active when performing a language test
The process of change by which new species develop from preexisting species over time? The process by which species change over time is evolution. The process by which new species develop from preexisting species over time is evolution.
A pre-existing condition is any injury, illness, or irregularity noticed by you or your veterinarian before the end of your waiting period, even if your pet never went to see the veterinarian for it. No pet insurance company covers pre-existing conditions.