Which of the following statements is a conclusion that can be drawn from the research on young infants' auditory capabilities?
A) The auditory system is not functional before birth.
B) By 2 months of age, infants are capable of responding to a broad range of sounds.
C) By 6 months of age, infants easily distinguish among rattles, voices, and other environmental noises.
D) Newborns are able to detect a 0.5 percent frequency change, easily hearing the softest whisper.
C) By 6 months of age, infants easily distinguish among rattles, voices, and other environmental noises. By 6 months of age, infants respond to a broad range of sounds including rattles, voices, songs, and many other environmental noises.
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On the Stanford-Binet and Wechsler IQ tests, how many people get scores from 0 to 100?
a. 50 percent b. 68 percent c. 84 percent d. 100 percent
In cases of somatic symptom and related disorders, it is estimated that between ____% and _____% of patients referred for psychological treatment by their primary care physicians do not comply, often because of their continued belief that they have a real medical problem
a. ?10; 20 b. ?15; 35 c. ?35; 50 d. ?50; 80
The structure in the inner ear that undulates when vibrations from the ossicles reach the cochlear fluid is the:
A) cochlear membrane. B) auditory membrane. C) basilar membrane. D) auditory nerve.
Which cells connect the receptors to the ganglion cells?
a) bipolar cells b) amacrine cells c) horizontal cells d) photoreceptor cells