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.
The term pre-existing condition means an injury or illness, including a pregnancy, for which medical advice, diagnosis, care, or treatment, including use of prescription drugs, was recommended or received from a licensed health practitioner during the 12 months immediately preceding the effective date of coverage.