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the study of the inheritance of physical and psychological traits from ancestors


the genetic information for an organism, stored in teh DNA of its chromosomes

Lawful patterns

patterns that can be discovered and revealed through research


injury to or destruction of brain tissue

Operational definition

standardizes meaning within an experiment, by defining a concept in terms of specific operations or procedures used to measure it or to determine its presence

Parasympathetic division

the subdivision of the autonomic nervous system that monitors the routine operation of the body's internal functions and conserves and restores body energy

Reticular formation

the region of the brain stem that alerts the cerebral cortex to incoming sensory signals and is responsible for maintaining consciousness and awakening from sleep

Roger Sperry and Michael Gazzaniga

devised situation that could allow visual information to be presented separately to each hemisphere

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