In an experiment, Ahmed is asked to say when he sees a flash of light. At the end of the experiment, the experimenter says that he was trying to find the minimum amount of light that Ahmed could detect 50 percent of the time. The experimenter is looking for Ahmed's

Awoman comes to your genetic counseling center because she knows that huntington disease occurs in members of her family. her paternal grandfather was afflicted, but so far her father shows no symptoms. her two great-great grandmothers on her father's side were healthy well into their 90s, and one of her great-great grandfathers died of unknown causes at 45. testing for huntington disease is extremely expensive, but she is concerned that she may fall victim to this disease and wants to plan her life accordingly. after examining her pedigree you advise her to

What kind of wound occurs the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of the skin

Will you get autism from being lonely?