1. Can you identify other developmental characteristics that are not synonymous with age?
2. Could not the individual’s first intentional use of alcohol or illicit drugs be an example of how
developmental changes in childhood and adolescence are tied to the individual’s age, but not
synonymous with the aging process? When you were a certain age, did your friends indulge in
the use or misuse of a specific compound? Did you join or avoid them? Why?
KEY CONCEPTS AND TERMS
White matter: A region of the brain comprised of nerve cells responsible for the relay of
information. The cortex is often referred to as “gray matter” after its appearance after death. In
contrast to this, the other neurons in different regions of the brain assume a white color
following death.
Ventral striatum: Region of the brain involved in the integration of signals from the amygdala
(emotional responses) with regions of the brain such as the hippocampus (memory functions)
and cognitive/executive functions carried out by the prefrontal cortex regions of the brain
Amygdala: A region in the brain that is shaped like an almond, located in each temporal lobe.
This region is thought to be involved in the process of attaching emotional context to memory
and modulating emotional responses to external reality. This includes behaviors centered on the
process of obtaining reward(s), and the anxiety and panic responses
Hippocampus: A region of the brain that is thought to be involved in processing sensory
information, as well as the formation and retrieval of memories. In normal healthy adults, it
Cortisol: Enzyme normally found in the body, which is found at higher levels during times of
stress. It is often referred to as a stress-fighting compound because of this
Obstructive sleep apnea: Condition in which the airway becomes blocked during sleep for
longer than 10 seconds. The sleeping person must then struggle to reopen the airway, often
through gasping, snorting, or coughing. This is a medical problem that should be addressed by a
physician if it is suspected to exist
Mnemonic: Something that aids memory. A mnemonic device might be a series of letters that
remind a person such as a health care professional to address certain issues. For example, the
letters “A-B-C” remind the health care professional to check the patient’s airway, breathing, and
circulation, immediately
Endocannabinoids: One of a family of compounds bound within the brain or body where
molecules of compounds found in marijuana bind. These natural, or endogenous, cannabis-like