Related Experiment Video

Updated: Aug 17, 2026

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development
07:02

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development

Published on: February 11, 2019

Psychomotor effects of astemizole and chlorpheniramine, alone and in combination with alcohol

I Hindmarch, J Z Bhatti

    International Clinical Psychopharmacology
    |April 1, 1987
    PubMed

    More Related Videos

    Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication09:26

    Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

    Published on: February 6, 2019

    Flypub To Study Ethanol Induced Behavioral Disinhibition and Sensitization08:13

    Flypub To Study Ethanol Induced Behavioral Disinhibition and Sensitization

    Published on: May 18, 2020

    Related Concept Videos

    Combined Effects of Drugs: Antagonism01:30

    Combined Effects of Drugs: Antagonism

    The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
    The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
    Cholinergic Antagonists: Pharmacological Actions01:28

    Cholinergic Antagonists: Pharmacological Actions

    Antimuscarinic drugs block muscarinic receptors in multiple systems, including the gut, eye, smooth muscles, respiratory tract, cardiovascular, and central nervous systems. They produce similar effects with varying selectivity depending on the specific agent and tissue. Here are the key pharmacological actions of antimuscarinics:
    Gastrointestinal Effects: Antimuscarinics reduce gut contractions, increase gastric emptying, and slow intestinal transit. They partly inhibit gastric acid secretion...
    CNS Depressants: Alcohol and Nicotine01:27

    CNS Depressants: Alcohol and Nicotine

    Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
    Anxiolytic Drugs: Benzodiazepines and Buspirone01:29

    Anxiolytic Drugs: Benzodiazepines and Buspirone

    Benzodiazepines are a class of anxiolytic drugs known for their rapid efficacy and high therapeutic-to-lethal dose ratio, but with a potential risk of drug dependence. These drugs are lipophilic, allowing for rapid absorption after oral administration, eventually reaching the central nervous system (CNS). Once in the CNS, benzodiazepines bind to the allosteric site of the GABAA receptor. This binding enhances the inhibitory effects of the neurotransmitter GABA. By doing so, they prevent...
    Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

    Sedatives and Hypnotics Drugs: Miscellaneous Agents

    Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
    Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
    Depressants01:28

    Depressants

    Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
    Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...