Chapter 15: Hallucinogens - Monoaminergic Flashcards

(36 cards)

0
Q

Prior human experience with LSD before it was synthesized was Ergotism( St.Anthony’s fire). Explain

A
  • from eating ergot-infested rye….
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

When was Lysergic Acid Diethylamide first synthesized? (LSD)

A
  • 1938
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the symptoms of ergot fungus?

-St. Anthony’s fire type

A
  • constricted blood flow to the limbs making the person feel excessively warm.
  • can lead to gangrene (limb falls off)
  • during Middle Ages
  • derivatives of LSD in the fungus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Symptoms of other types of fungus?

A
  • convulsions
  • delirium
  • hallucinations
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When was the first LSD trip and by who?

A
  • 1943

- Albert Hoffman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What did Humphrey Osmond suggest with LSD ?

A
  • model for psychosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What did the US army and CIA use LSD for?

A
  • incapacitation and interrogation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Who coined the term psychedelic?

A
  • Timothy Leary in 1960 at Harvard University
  • tested on students
    L> empty room: no effect
    L> home: big effect
  • environment has a huge effect on experience
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Pharmacokinetics?

  1. physical description
  2. Blood brain barrier and placental?
  3. Effective dose?Duration of effect??
  4. Onset of action?
  5. Tolerance?
  6. Cross tolerance ?
  7. Physical dependance and lethality?
A
  1. odourless, colourless, tasteless
  2. crosses them easily
  3. 50 micrograms
  4. 30-90 mins, duration of effect= 5-12 hours
  5. Tolerance develops very rapidly and totally but reverses quickly (3-4 days)
  6. With mescaline and psilocybin
  7. none present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How is LSD sold?

A
  • as hits

L> 0- 300ug ..avg= 200

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Traditionally how is LSD been absorbed?

A
  • blotting paper, which may be plain or printed with various cartoons or mosaic patterns.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a gel tab?

A
  • LSD is in gelatine, that is set in moulds of various shapes, or flat squares called window panes.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are microdots?

A
  • candies, tiny pills containing LSD
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which is better and why: Gelatine LSD or Blotting paper?

A
  • Gelatine!

L> it protects the LSD from deterioration caused via light and exposure to air…..

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How is Mescaline acquired?

A
  • dried heads of the peyote cactus

L> taken orally or dipped in a drink…. (200 to 400 ug)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

There are few common physical effects on the body from LSD but what are some common ones?

A
  • dilatation of pupils
  • nausea
  • changes in body temp
  • increased heart rate
16
Q

LSD has an affinity for __ receptors, especially in the ___ cortex, this may be responsible for altered interpretation of what?

A
  • 5-HT2a
  • medial prefrontal
  • sensory info and cognitive distortions
17
Q

LSD activates the __ neurons of the _____; enhancing the response to ____ stimuli.

A
  • NE, locus coeruleus

- novel

18
Q

LSD produces hallucinatory effects that are _ unique; they are determined by characteristics of the ___, not by the___.
L> list three examples of this

A
  • not
  • brain
  • drug
    1. vastly diff drugs cause similar hallucinations
    2. visual effects are similar to those during non drug hallucinations
    3. hallucinations are similar in different cultures
19
Q

Subjective effects of LSD:

  1. Entactogenic effects
  2. Empathogenic effects
A
  1. personal insight

2. experience of great emotional or personal significance (religious exp)

20
Q

Subjective effects:

1. Hallucinogenic effects

A
  1. vivid visual images
    L> opened eyes= projected on whatever object looking at
    L> closed eyes= blackbackground
    - geometric images
21
Q

Common geometric images hallucinated on LSD?

A
  1. grating
  2. lattice
  3. cobweb
  4. tunnel
  5. funnel
  6. cone
  7. spiral
22
Q

Visual hallucinations occur in what three states?

A
  1. fever deliriums
  2. insulin hypoglycaemia
  3. Hyponogogic states (before drifting off to sleep )
23
Q

Geometric images are in phase one of hallucinations what are present in phase two during LSD trips?

A
  • personally meaningful images
24
``` Tripping : Phase 1. Phase 2. Phase 3. L> a. L> b. ```
1. autonomic effects 2. early hallucinations: colours, geometric patterns, synesthesia(cross over of senses) 3. complex hallucinations a. dream like states with detached observations b. involvement in imagery, with cognitive and mood changes; true loss of reality.
25
Bad trips : 1. more common in what users? 2. cause disturbing ___ and ___. 3. Cause the sense of being ____ in the state. 4. Key factors involved in a bad trip? 5. can they be talked down?
1. novice users 2. imagery and thoughts 3. trapped 4. negative set (mind set) and setting 5. yes they can but not if on PCP
26
Describe: 1. Phantasticant Effects 2. Perceptual Effects
1. experiences they are having are of great emotional or worldly experience... (spiritual in nature) 2. greatly enhanced pleasure derived from viewing art, and especially listening to music.
27
Describe a psychotic reaction! 1. does it require hospitalization? 2. who is it common in? 3. symptoms resemble? 4. this can develop after?
1. hospitalization 2. more common in already mentally unstable individuals 3. schizophrenia like symptoms but especially paranoia 4. can develop after inadvertent use (not being prepared before use)
28
Flashbacks: 1. Can cause spontaneous what? 2. More common after what? 3. Can be triggered by what? 4. Is the mechanism known?
1. recurrence of elements of a trip after a drug free period 2. multiple trips 3. other drugs after LSD use 4. unknown
29
Clinical applications of LSD? 1. Model of psychosis? 2. clinical uses?
1. no, high doses of PCP (phencycline/ angels dust) or amph are better giving better psychomimetic effects (mimicking psychosis) 2. no current uses
30
Self administration of LSD? 1. Animals 2. Humans
1. does not generally occur, animals usually find LSD aversive 2. LSD is taken episodically, and does not typically increase over time.
31
Lysergic Acid Amide: 1. found in what ? 2. compare to LSD effect? 3. Commercially available?
1. morning glory seeds (Ololiuqui ) 2. inferior to LSD 3. yes, seeds are coated with an emetic so you puke if you try to administer them
32
``` Mescaline: 1. from? 2. hallucinations? 3. Is there amnesia or mental clouding? 4. Chemical characteristics: A. BBB? and Placenta? B. half life? C. sympathomimetic effects? ```
1. peyote cactus 2. clear visual hallucinations; geometric patterns and intense, saturated colours 3. NO 4. A. pass poorly...require high doses B. 6 hours C. some, due to noradrenergic properties
33
``` Psilocybin and Psilocin A. from? B. Aztecs called it? C. Perceptual distortions? D. Other two distortions? ```
A. Psilocybe (Magic Muschrooms) B. Teonanacatl= God's flesh C. time and space D. Body image distortions and out of the body effects (depersonalization)
34
Myristicin and Elemicin : A. Found in? B. resembles chemically? C. Effects?
A. nutmeg and mace B. mescaline C. Euphoria, but also unpleasant toxic effects (similar to anticholinergic hallucinogens)
35
withdrawal??
- no withdrawal ever documented b/c never taken continuously for any period of time...and do not lead to physical dependance