What is a drug myth?
drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory
what are barbiturates?
disrupts the processing of recent experiences into long-term memories
What is an effect of alcohol?
a chemical substance that alters perceptions and moods
what are psychoactive drugs?
An addiction is a compulsive craving for a substance despite adverse consequences
drugs that reduce neural activity and slow body functions
what are depressants?
the discomfort and distress that follow discontinuing the use of an addictive drug
what is withdrawal?
Addictions cannot be overcome voluntarily (therapy is required)
What is a drug myth?
opium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety
what are opiates?
the brain eventually stops producing the endorphins
what is an effect of repeated opiate use?
a physiological need for a drug, marked by unpleasant withdrawal symptoms when the rug is discontinued
what is physical dependence?
We can extent the concept of addiction to cover not just drug dependencies but a whole spectrum of repetitive, pleasure-seeking behaviors
What is a drug myth?
Nembutal, Seconal, and Amytal
what are 3 types of Barbiturates?
a psychological need to use a drug, such as to relieve negative emotions
what is psychological dependence?
The jobs of the 3 major psychoactive drugs is to stimulate, inhibit, or mimic the activity of the brain's own chemical messengers
what is a drug fact?
alcohol, barbiturates, and opiates
what are 3 types of depressants?
when prescribed, intended to induce sleep or reduce anxiety. When overdosing leads to impaired memory, judgement, and can lead to death
What are the effects of barbiturates?
the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug's effect
what is tolerance?