In most right-handed people, the left hemisphere is specialized
a. to process negative emotions.
b. to analyze visual stimuli.
c. for nonverbal analysis of information.
d. for language reception and expression.
Question 2
Zach is a 4-year-old boy who attends preschool. During story time, every student is
expected to sit still and pay attention. However, Zach is often caught distracting
others around him by talking, nudging, or fidgeting with his hands.
Zach apparently
has similar problems at home, although he has no difficulty paying attention to his
favorite TV shows. According to the DSM-IV-TR, which of the subtypes of ADHD
would best characterize Zach's behavior?
a. Predominantly inattentive type
b. Predominantly oppositional defiant type
c. Predominately hyperactive-impulsive type
d. Combined type
e. b and c
An overview of the process of primary and secondary growth in a woody stem.
Variation in coat pattern in zebras. The patterns show progressively more black left to right and to
Negative feedback control of a regulated variable.
Brain Hemisphere Activity
A comparison of the events in mitosis (left) and meiosis (right)
A land snail (Helix aspersa) with the opening that leads to its lung visible at the left.