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Consciousness Altering Drugs: Depressants – Consciousness (PSY)

by Tarry Ahuja, MD
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    Okay. So now we’re going to get into something around drug taking and we’re going to focus on consciousness altering drugs. So, So you can have whole different types in categories of drugs that are taken. We’re going to focus on sort of four broad bins -- depressants, stimulants, psychoactive drugs, and hallucinogens. We’ll start with depressants because these are probably the ones that are the most common, most commonly used, and they include things like alcohol, barbiturates, and opiates. So like the name implies, depressants actually depresses overall neural activity. Now, your reflex might be, well, wait a second, you know, you’re thinking of alcohol, you think of a party, you think of people being loud, but fast forward your night. So let’s take a look at your last weekend. You start the night highly activated. You seem like you’re partying and dancing. You’re like how is that a depressant? Look at the end of your night. If you were to continue to consume alcohol, how does your night typically end? It usually ends with you passing out on the sofa or being extremely tired, because at the end of the day, if you look at the process of your drug taking in the end result, it’s usually, almost always, results in you sort of passing out or falling asleep or being depressed. Not in the mood, but depressed in neural activity. So how is your brain actually working? So what it does is depressants stimulate and increase the levels of something called GABA, which is a type of neurotransmitter, and dopamine in the brain. More specifically, we’re going to hone in on GABA because that’s much more prominent. And what GABA is, is actually an inhibitory transmitter. So I’m going to simplify this for you and say we...

    About the Lecture

    The lecture Consciousness Altering Drugs: Depressants – Consciousness (PSY) by Tarry Ahuja, MD is from the course Making Sense of the Environment.


    Included Quiz Questions

    1. Decrease dopamine level
    2. Depress neural activity
    3. Increases GABA level
    4. Reduce activity
    5. Can affect sleep
    1. ...amphetamines.
    2. ...morphine.
    3. ...barbiturates.
    4. ...benzodiazepines.
    5. ...oxycodone.
    1. Alcohol
    2. Nicotine
    3. Marijuana
    4. PCP
    5. LSD
    1. Can affect long term memory.
    2. Should be taken short term only.
    3. Alcohol should be avoided while taking opioids.
    4. Can decreased REM sleep.
    5. Have an affect on neurotransmitters.

    Author of lecture Consciousness Altering Drugs: Depressants – Consciousness (PSY)

     Tarry Ahuja, MD

    Tarry Ahuja, MD


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