Definition: Understanding through senses
of the mind.
 Psychology: “A single unified awareness
derived from sensory processes while a
stimulus is present.”

perception. (n.d.). The American Heritage® Stedman's Medical
Dictionary. Retrieved November 27, 2011, from Dictionary.com
website: http://dictionary.reference.com/browse/perception


A usual “high” from smoking weed will last two to
three hours. Within this time, a person’s vision will
consist of brighter colors and patterns become
clearer. Some people also have trouble with
problem solving and thinking right away.
Users claim to experience a state of “euphoria” or
intense happiness.
T, Buddy. "Effects of Marijuana." About.com. Medical Review Board, 05
Mar 2011. Web. November 15, 2011.
<http://alcoholism.about.com/od/pot/a/effects.-Lya.htm>.


LSD causes a temporary state of “synesthesia”,
which is when your senses get switched around.
Example: instead of hearing a sound, you would
see or taste it.
The five senses become more intense.
"What Are the Effects of LSD?." About.com. NIDA, 10 Jan 2011. Web.
November 15, 2011.
<http://alcoholism.about.com/cs/lsd/f/lsd_faq04.htm>.

Cocaine does not have an affect on the
body’s senses. It makes time seem to go
by faster and intensifies responses and
reactions. People tend to talk a lot more
after using cocaine.
http://www.druginfo.adf.org.au/drug-facts/cocaine
Last updated: 28 February 2011

Ecstasy causes the serotonin in your brain to be
taken away. This causes a big change in
hostility, sexual activity, dormancy patterns,
nerve sensitivity, and can also cause
depression. Most users claim to experience a
“high energy” sensation.
http://www.druginfo.adf.org.au/drug-facts/ecstasy
Last updated: 4 February 2011
Opiates can make people feel like
they’re experiencing no pain. This is an
example of altered perception.
 Opiates can cause violent withdrawals
and depression.

http://www.opiates.org/opiates.htm
Copyright 2004-2011
Last accessed November 14, 2011


PCP’s effects on behavior depends on the dose
that you take. Some effects include poor balance,
convulsions, hallucinations, suicidal thoughts, and
violence.
PCP affects perception the most out of all drugs
because it makes the user perceive that they are
invincible.
. "What are the effects of pcp?." about.com. National Institute on Drug
Abuse, 10 Jan 2011. Web. 15 Nov 2011.
<http://alcoholism.about.com/cs/lsd/f/lsd_faq05.htm>. ("about.com")

Meth causes a person to feel more
energy and jitteriness. It also causes a
loss of appetite and increased
breathing.
T, Buddy. about.com. Medical Review Board, 20 Jun 2011.
Web. 27 Nov 2011.
<http://alcoholism.about.com/od/meth/a/effects.-Lx6.htm>.

“Shrooms” are known for their big tendency to
cause hallucinations. Users will also experience
paranoia and a wide range of different
moods. People claim to experience “good
trips” and “bad trips”, depending on the
amount taken.
"Mushroom Effects." Thegooddrugsguide.com.
TheGoodDrugsGuide.com, 2011. Web. 27 Nov 2011.
http://www.thegooddrugsguide.com/mushrooms/effects.htm.

Ketamine is a drug that veterinarians give to pets
as anesthesia. It is a hallucinogenic and can have
different effects on people based on the dose
being consumed. Some effects are anxiety, feeling
panicked, heavy sweating, weird behavior, and
convulsions.
http://www.druginfo.adf.org.au/drug-facts/ketamine
Last updated: 2 Feb 2011
Prescription drugs often contain opioids. Opioids
cause drowsiness, dangerously slowed down
breathing, slow heart rate, and anxiety.
 People who abuse prescription drugs tend to
experience a “high” where they can’t feel
anything and become numb to whatever goes on
around them.

"Prescription Medications." USA.gov. US Department of Healthy Human
Services, n.d. Web.
<http://drugabuse.gov/drugpages/prescription.html>.
Last accessed: November 15, 2011









www.jiskha.com/health/.../cocaine_and_perception.html
http://www.drugfree.org/drug-guide/mushrooms
http://www.druginfo.adf.org.au/drug-facts/methamphetamines
http://www.druginfo.adf.org.au/drug-facts/ketamine
http://www.druginfo.adf.org.au/drug-facts/phencyclidine
http://www.druginfo.adf.org.au/drug-facts/cocaine
http://www.druginfo.adf.org.au/drug-facts/heroin
http://www.druginfo.adf.org.au/drug-facts/ecstasy
http://www.druginfo.adf.org.au/drug-facts/lsd