Download presentation
Presentation is loading. Please wait.
Published byShauna Lang Modified over 8 years ago
1
Psychology 355 15 - Drug Abuse
2
Psychology 3552 General Overview Problem of drug abuse Review of synaptic transmission Brain reward systems Mechanisms of tolerance and dependence
3
Psychology 3553 Drug abuse
4
Psychology 3554 Drug abuse Opioids and Morphine Derivatives Codeine Fentanyl Heroin Morphine Opium Stimulants Amphetamine Cocaine Ecstacy (MDMA) Methamphetamine Methylphenidate (Ritalin) Nicotine Other Compounds Anabolic Steriods Inhalants Cannabinoids Hashish Marijuana Depressants Barbiturates Benodiazepines Flunitrazepam (Rohypnol) Methaqualone (Quaaludes) Dissociative Anesthetics Ketamine PCP Hallucinogens LSD Mescaline Psilocybin http://www.nida.nih.gov
5
Psychology 3555 Drug abuse http://www.nida.nih.gov
6
Psychology 3556 Chemical synapses Basic Steps Neurotransmitter synthesis Load neurotransmitter into synaptic vesicles Vesicles fuse to presynaptic terminal Neurotransmitter spills into synaptic cleft Binds to postsynaptic receptors Biochemical/Electrical response elicited in postsynaptic cell Removal of neurotransmitter from synaptic cleft
7
Psychology 3557 Chemical synapses Neurotransmitters Amino acids: Small organic molecules e.g., Glutamate, Glycine, GABA Amines: Small organic molecules e.g., Dopamine, Acetylcholine, Histamine Peptides: Short amino acid chains (i.e. proteins) stored in and released from secretory granules e.g., Dynorphin, Enkephalins
8
Psychology 3558 Chemical synapses
9
Psychology 3559 Chemical synapses Receptors, agonists, & antagonists
10
Psychology 35510 Chemical synapses
11
Psychology 35511 Reinforcement
12
Psychology 35512 Reinforcement
13
Psychology 35513 Reinforcement
14
Psychology 35514 Reinforcement
15
Psychology 35515 Reinforcement
16
Psychology 35516 Tolerance and dependence
17
Psychology 35517 Tolerance and dependence
18
Psychology 35518 Tolerance and dependence
19
Psychology 35519 Tolerance and dependence
20
Psychology 35520
21
Psychology 35521
22
Psychology 35522
23
Psychology 35523
24
Psychology 35524
25
Psychology 35525
26
Psychology 35526
27
Psychology 35527
28
Psychology 35528
29
Psychology 35529
30
Psychology 35530
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.