Although the exact causes of ADHD are not known, it is believed to be related to
A) genetics.
B) bad parenting.
C) abuse.
D) psychological trauma.
A) genetics. Most of the research points to a genetic component and problems with areas in the frontal lobes of the brain that are responsible for attention, organization and the inhibition and control of behavior. Researchers estimate that the heritability of ADHD is as high as .89
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Statistical data are often relevant when discussing psychological disorders. For example, a researcher might want to know how many new cases of depression are diagnosed each year, a figure called the ________ of the disorder.
A. prevalence B. incidence C. recurrence D. ratio
Children's artistic development is _____.
A. primarily linked to the development of social skills B. not linked to the development of gross motor skills C. not linked to the development of fine motor skills D. linked to the development of cognitive skills
The major theories of color vision were first proposed _____
A) ?in the 1800s, based on behavioral evidence only B) ?in the 1930s, based on some psychophysical data and lesioning studies C) in the 1960s after Hubel and Wiesel's pioneering research? D) ?in the 1990s when advanced brain imaging studies were conducted
The immune system has two components: the innate immune system and the __________ immune system
A) phagocyte B) adaptive C) antibody D) antigen E) antibody-mediated