-any substance, natural or artificial, other
than food, that by its chemical or physical
nature alters structure or function in the
- refers to our awareness of
sensations, thoughts, and other
Drugs and Consciousness…
A c h e m i c a l
s u b s t a n c e t h a t
a l t e r s
p e r c e p t i o n s a n d
m o o d .
Addiction is a brain disease
identified by components of
physical and psychological
A d d i c t i o n &
D e p e n d e n c e …
the power of enduring
the action of the drug.
- is one aspect of physical
Withdrawal & Dependence
is a term referring to the feelings of discomfort, distress, and
intense craving for a substance that occur when use of the
substance is stopped.
Absence of a drug may lead to a feeling of physical
pain, intense cravings and negative emotions.
1. Addictive drugs quickly corrupt.
2. Addiction cannot be overcome voluntarily.
3. Addiction is no different than repetitive
P s y c h o a c t i
v e D r u g s :-a r e d i v i d e d i n t o
t h r e e g r o u p s .
D e p r e s s a n t s
-are drugs that reduce neural activity and slow
body functions. They include:
A. Alcohol affects motor skills, judgment, and
Why do college students drink?
1. Increases sociability
2. Relieves anxiety or tension
3. Feel elated or euphoric
4. Less inhibited
5. Can go along with friends
6. Different state of consciousness
7. Sexual inhibition
8. Stops worrying
9. Alleviates depression
10. Less self-conscious
B . B a r b i t u r a t e s :
D r u g s t h a t d e p r e s s t h e
a c t i v i t y o f t h e
c e n t r a l n e r v o u s
s y s t e m , r e d u c i n g
a n x i e t y b u t i m p a i r i n g
m e m o r y a n d j u d g m e n t .
N e m b u t a l , S e c o n a l , a n d
A m y t a l a r e s o m e
e x a m p l e s .
-they are highly
lessening pain and
-are drugs that excite neural activity and speed up
body functions. Examples of stimulants are:
2. Stimulants: Caffeine & Nicotine
A & B. Caffeine and nicotine increase heart and
breathing rates and other autonomic functions to
Why Do People Smoke?
1. People smoke because it is socially rewarding.
2. Smoking is also a result of genetic factors.
2. Stimulants: Why Do People
3. Nicotine takes away
4. Nicotine itself is
Cocaine induces immediate euphoria followed by a crash.
Crack, a form of cocaine, can be smoked. Other forms of
cocaine can be sniffed or injected.
amine (MDMA) is a
stimulant and mild
hallucinogen. It produces a
euphoric high and can
neurons, which results in a
permanent deflation of mood
and impairment of memory.
H a l l u c i n o
g e n s
-are psychedelic (mind-
manifesting) drugs that
distort perceptions and
evoke sensory images in
the absence of sensory
3. H a l l u c i n o g e n s :
N a m e s o f D r u g s
• Acid, Peyote, Mighty Quinn, Mescal, Ibogaine,
Window Panes, MDMA, Gelatin, Pearly Gates,
Owsley Acid, Mind Detergent, Bufotenine, California
Triple Dip, Sandoz’s, Sunshine, Lysergic Acid
Diethylamide, Mescaline, Cube, Salvia Divinorum,
Blue Cheers, Vacation, Hawk, LSD, Wedding Bells,
Adams, Phenethylamines, Psilocybin Analogs, Brown
Dot, Lucy in the Sky with Diamonds, Strawberries,
Blotter, Pink Wedge, Psilocybin, Mushrooms,
‘Shrooms, Ayahuasca, and other names.
After a close brush with
death, many people
report an experience of
moving through a dark
tunnel with a light at the
end. Under the influence
of hallucinogens, others
report bright lights at
the center of their field
3. Hallucinogens: Near-Death
Influence for Drug Prevention
1.Education about the long-term
2.Efforts to boost people’s self-
esteem and purpose
3.Attempts to modify peer
associations and teaching