In the equation, 
is a(n) _____.
Definitions:
Genetic Inheritance
The process by which traits or characteristics are passed from parents to their offspring through genes.
Attention
The act of concentrating on a particular stimulus while ignoring other stimuli, highlighting the brain's selective information processing.
Major Depressive Disorder
A mental disorder characterized by persistent feelings of sadness, lack of interest in activities, and possibly physical symptoms, affecting an individual's daily life.
Depressive Episode
A period characterized by symptoms of major depression, such as deep sadness, loss of interest, sleep disturbances, and feelings of worthlessness, lasting for at least two weeks.
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