Glossary A
Glossary A
Alpha wave is defined as the the brain wave of 8 to 12 cycles per second that occurs when an individual is awake but deeply relaxed, usually with the eyes closed
Alpha wave refer to the rhythm of 8 to 12 brain waves per second which is generally associated with relaxation.
Alpha waves also refer large, slow brain waves which are associated with relaxation and falling asleep.
Alpha-fetoprotein (AFP) assay refers to a blood test that assesses the mother's blood level of alpha-fetoprotein, a substance that is linked with fetal neural tube defects.
Alphabetic principle refers to the association of letters with phonemes that characterizes English and other alphabetic writing systems.