SSRIs and SNRIs
Selective serotonin reuptake inhibitors (SSRIs) are a class of drugs used to treat conditions like depression, which is often associated with low serotonin levels. Unlike agonists or antagonists that bind to receptors, SSRIs work by blocking the reuptake process. This action prevents unused serotonin from being reabsorbed by the presynaptic neuron, allowing it to remain in the synaptic cleft for a longer period. The extended presence of serotonin enhances its interaction with postsynaptic receptors, thereby strengthening its overall effect. Common examples of SSRIs include Prozac, Paxil, and Zoloft.
1
1
Tags
Behavioral Neuroscience
Psychology
Neuroscience (Neurobiology)
Social Science
Empirical Science
Science
Life Science / Biology
Biomedical Sciences
Natural Science
Ch.3 Biopsychology - Psychology @ OpenStax
Psychology @ OpenStax
Introduction to Psychology @ OpenStax Course
OpenStax Psychology (2nd ed.) Textbook
OpenStax
Related
SSRIs and SNRIs
Tricyclic Antidepressants
Monoamine Oxidase Inhibitors (MAOIs)
Reference for Side Effects of Antidepressants
Side Effects of Antidepressants
A clinician is considering two different types of medication for a patient. Medication A primarily works by increasing the amount of serotonin available between nerve cells. Medication B works by increasing the availability of both serotonin and norepinephrine. Which of the following statements accurately distinguishes between the mechanisms of these two medications?
References for Long-Term Use of Antidepressants
Long-Term Use of Antidepressants
Serotonin Syndrome
SSRIs and SNRIs
Tricyclic Antidepressants
Monoamine Oxidase Inhibitors (MAOIs)
Potential clinical uses for psychedelics
Using ketamine for treatment-resistant depression
Caffeine and depression treatments
Psychopharmacology Library
Microdosing
SSRIs and SNRIs
Antipsychotic Drugs
Tricyclic Antidepressants
Monoamine Oxidase Inhibitors (MAOIs)
Psychoplastogens
Mycotherapy
Anticholinergic Medicines
Stimulants for Narcolepsy
SSRIs and SNRIs
A new medication is observed to increase the effectiveness of a specific neurotransmitter. Further investigation reveals that the medication does not directly bind to or activate the receiving neuron's receptors, nor does it increase the amount of neurotransmitter released from the sending neuron. Instead, it significantly prolongs the time the neurotransmitter spends in the space between the two neurons. Based on this evidence, what is the most likely mechanism of action for this medication?
A researcher observes that a new psychoactive drug increases the overall impact of a specific neurotransmitter. Detailed analysis reveals the drug does not bind to the postsynaptic receptors, but instead attaches to the terminal buttons of the presynaptic neuron, blocking the channels responsible for reabsorbing the neurotransmitter from the synapse. Based on this specific mechanism, how would this drug be classified?
Mayo Clinic Narcolepsy
SSRIs and SNRIs
Tricyclic antidepressants
Sodium oxybate (Xyrem)
Recently approved Treatments for Narcolepsy
Future of Narcolepsy Medication: Targeting the Hypocretin System
Stimulants for Narcolepsy
Case Study of Narcolepsy: Symptom Variability and Combination Therapy
Narcolepsy Treatment Adjustment
Learn After
Effects of SSRIs on Microglia
Selective Serotonin Reuptake Inhibitors (SSRIs)
Serotonin Norepinephrine Reuptake Inhibitors (SNRIs)
SSRI/SNRI Use During Pregnancy
The Serotonin Theory
A new medication is developed to treat a mood disorder. Its mechanism involves preventing the presynaptic neuron from reabsorbing a specific neurotransmitter after it has been released into the synapse. This results in a higher concentration of that neurotransmitter remaining in the synaptic cleft for a longer time. Based on this description, what is the primary way this medication enhances the neurotransmitter's effect?