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Related Concept Videos

Decision Making01:20

Decision Making

Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Reason and Intuition01:37

Reason and Intuition

The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the brain can only use...
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
Chemotherapy-Induced Nausea and Vomiting: Cannabinoids01:21

Chemotherapy-Induced Nausea and Vomiting: Cannabinoids

Tetrahydrocannabinol (THC) is a phytocannabinoid that primarily interacts with the CB1 receptor, a type of G protein-coupled receptor (GPCR) predominantly in and around the chemoreceptor trigger zone (CTZ) and emetic center. THC also blocks the serotonin receptor activity in the dorsal vagal complex (DVC) by inhibiting serotonin release. THC exerts its anti-emetic effects through these interactions, which are beneficial for patients undergoing chemotherapy.
Two synthetic agonists of THC,...
CNS Stimulants: Cocaine, Amphetamines and Cannabinoids01:24

CNS Stimulants: Cocaine, Amphetamines and Cannabinoids

CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its effects by...
Decision Making: P-value Method01:09

Decision Making: P-value Method

The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can have a...

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Related Experiment Video

Updated: May 21, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

[Decision making in cannabis users].

Jose Ramón Alameda Bailén1, Susana Paíno Quesada, Ana Isabel Mogedas Valladares

  • 1Área de Psicología Básica de la Universidad de Huelva, España. alameda@uhu.es

Adicciones
|June 1, 2012
PubMed
Summary

Chronic cannabis use impairs decision-making, potentially due to difficulties in generating somatic markers. This study found significant differences in task performance between cannabis users and controls.

Area of Science:

  • Neuropsychology
  • Cognitive Neuroscience
  • Addiction Research

Context:

  • Chronic cannabis consumption is linked to cognitive deficits, particularly in decision-making processes.
  • The somatic marker hypothesis provides a framework for understanding how emotions influence decision-making.
  • Previous research indicates potential impairments in executive functions among cannabis users.

Purpose:

  • To investigate decision-making processes in chronic cannabis users compared to a control group.
  • To evaluate the role of the somatic marker hypothesis in cannabis-related decision-making deficits.
  • To analyze the influence of demographic and consumption variables on task performance.

Summary:

  • Using the "Cartas" software (similar to the Iowa Gambling Task), significant differences in decision-making were observed between 41 chronic cannabis users and controls.

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Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice

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Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates
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Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates

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Related Experiment Videos

Last Updated: May 21, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice
07:51

Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice

Published on: August 1, 2025

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates
06:09

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  • Performance differences were noted in both normal and reverse task versions, with controls scoring higher in the normal task.
  • While initial performance differed in the reverse task, final performance showed no significant group differences; demographic factors did not correlate with performance.

    • Impact:

    • Findings suggest chronic cannabis use alters decision-making, possibly by impairing the generation of somatic markers.
    • This research contributes to understanding the neurobiological underpinnings of cognitive deficits in cannabis users.
    • Results highlight the need for targeted interventions addressing decision-making impairments in individuals with cannabis use disorder.