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Changes for page Research at a Glance

Last modified by Ryan C on 2025/06/26 03:09

From 67.1 to 66.1 From 69.1 to 68.1

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edited by Ryan C
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edited by Ryan C
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@@ -130,7 +130,12 @@
  {{html}}<hr style="border: 3px solid red;">{{/html}}
++💥 If this works, we can move on to the next study! 🚀 Let me know how it looks!
++I'll process the next study and populate the template accordingly. Let me extract the key details from the uploaded document now.
++
++Here's the structured summary for the next study:
++
  ---
  {{expand title="Study: Trends in Frequency of Sexual Activity and Number of Sexual Partners Among Adults Aged 18 to 44 Years in the US, 2000-2018" expanded="false"}}
@@ -300,159 +300,18 @@
  ---
  ## **📄 Download Full Study**
--[[Download Full Study>>attach:10.1007_s12144-023-04275-z.pdf]]
++{{velocity}}
++#set($doi = "10.1007_s12144-023-04275-z")
++#set($filename = "${doi}.pdf")
++#if($xwiki.exists("attach:$filename"))
++[[Download>>attach:$filename]]
++#else
++{{html}}<span style="color: red; font-weight: bold;">🚨 PDF Not Available 🚨</span>{{/html}}
++#end
++{{/velocity}}
  {{/expand}}
  {{html}}<hr style="border: 3px solid red;">{{/html}}
--{{expand title="Study: Associations Between Cannabis Use and Mental Health Symptoms in Young Adults" expanded="false"}} Source: Addictive Behaviors
--Date of Publication: 2016
--Author(s): Andrea Hussong, Christy Capron, Gregory T. Smith, Jennifer L. Maggs
--Title: "Associations Between Cannabis Use and Mental Health Symptoms in Young Adults"
--DOI: 10.1016/j.addbeh.2016.02.030
--Subject Matter: Substance Use, Mental Health, Adolescent Development
--Key Statistics
--General Observations:
--
--Study examined cannabis use trends in young adults over time.
--Found significant correlations between cannabis use and increased depressive symptoms.
--Subgroup Analysis:
--
--Males exhibited higher rates of cannabis use, but females reported stronger mental health impacts.
--Individuals with pre-existing anxiety disorders were more likely to report problematic cannabis use.
--Other Significant Data Points:
--
--Frequent cannabis users showed a 23% higher likelihood of developing anxiety symptoms.
--Co-occurring substance use (e.g., alcohol) exacerbated negative psychological effects.
--Findings
--Primary Observations:
--
--Cannabis use was linked to higher depressive and anxiety symptoms, particularly in frequent users.
--Self-medication patterns emerged among those with pre-existing mental health conditions.
--Subgroup Trends:
--
--Early cannabis initiation (before age 16) was associated with greater mental health risks.
--College-aged users reported more impairments in daily functioning due to cannabis use.
--Specific Case Analysis:
--
--Participants with a history of childhood trauma were twice as likely to develop problematic cannabis use.
--Co-use of cannabis and alcohol significantly increased impulsivity scores in the study sample.
--Critique and Observations
--Strengths of the Study:
--
--Large, longitudinal dataset with a diverse sample of young adults.
--Controlled for confounding variables like socioeconomic status and prior substance use.
--Limitations of the Study:
--
--Self-reported cannabis use may introduce bias in reported frequency and effects.
--Did not assess specific THC potency levels, which could influence mental health outcomes.
--Suggestions for Improvement:
--
--Future research should investigate dose-dependent effects of cannabis on mental health.
--Assess long-term psychological outcomes of early cannabis exposure.
--Relevance to Subproject
--Supports mental health risk assessment models related to substance use.
--Highlights gender differences in substance-related psychological impacts.
--Provides insight into self-medication behaviors among young adults.
--Suggestions for Further Exploration
--Investigate the long-term impact of cannabis use on neurodevelopment.
--Examine the role of genetic predisposition in cannabis-related mental health risks.
--Assess regional differences in cannabis use trends post-legalization.
--Summary of Research Study
--This study examines the relationship between cannabis use and mental health symptoms in young adults, focusing on depressive and anxiety-related outcomes. Using a longitudinal dataset, the researchers found higher risks of anxiety and depression in frequent cannabis users, particularly among those with pre-existing mental health conditions or early cannabis initiation.
--
--This summary provides an accessible, at-a-glance overview of the study’s contributions. Please refer to the full paper for in-depth analysis.
--
--📄 Download Full Study
--[[Download Full Study>>attach:10.1016_j.addbeh.2016.02.030.pdf]]
--
--{{/expand}}
--
--{{html}}<hr style="border: 3px solid red;">{{/html}}
--
--{{expand title="Study: Is there a Dysgenic Secular Trend Towards Slowing Simple Reaction Time?" expanded="false"}}
--**Source:** *Intelligence (Elsevier)*
--**Date of Publication:** *2014*
--**Author(s):** *Michael A. Woodley, Jan te Nijenhuis, Raegan Murphy*
--**Title:** *"Is there a Dysgenic Secular Trend Towards Slowing Simple Reaction Time?"*
--**DOI:** [10.1016/j.intell.2014.05.012](https://doi.org/10.1016/j.intell.2014.05.012)
--**Subject Matter:** *Cognitive Decline, Intelligence, Dysgenics*
--
-----
--
--## **Key Statistics**
--1. **General Observations:**
--   - The study examines reaction time data from **13 age-matched studies** spanning **1884–2004**.
--   - Results suggest an estimated **decline of 13.35 IQ points** over this period.
--
--2. **Subgroup Analysis:**
--   - The study found **slower reaction times in modern populations** compared to Victorian-era individuals.
--   - Data from **Western countries (US, UK, Canada, Australia, Finland)** were analyzed.
--
--3. **Other Significant Data Points:**
--   - The estimated **dysgenic rate is 1.21 IQ points lost per decade**.
--   - Meta-regression analysis confirmed a **steady secular trend in slowing reaction time**.
--
-----
--
--## **Findings**
--1. **Primary Observations:**
--   - Supports the hypothesis of **intelligence decline due to genetic and environmental factors**.
--   - Reaction time, a **biomarker for cognitive ability**, has slowed significantly over time.
--
--2. **Subgroup Trends:**
--   - A stronger **correlation between slower reaction time and lower general intelligence (g)**.
--   - Flynn effect (IQ gains) does not contradict this finding, as reaction time is a **biological, not environmental, measure**.
--
--3. **Specific Case Analysis:**
--   - Cross-national comparisons indicate a **global trend in slower reaction times**.
--   - Factors like **modern neurotoxin exposure** and **reduced selective pressure for intelligence** may contribute.
--
-----
--
--## **Critique and Observations**
--1. **Strengths of the Study:**
--   - **Comprehensive meta-analysis** covering over a century of reaction time data.
--   - **Robust statistical corrections** for measurement variance between historical and modern studies.
--
--2. **Limitations of the Study:**
--   - Some historical data sources **lack methodological consistency**.
--   - **Reaction time measurements vary by study**, requiring adjustments for equipment differences.
--
--3. **Suggestions for Improvement:**
--   - Future studies should **replicate results with more modern datasets**.
--   - Investigate **alternative cognitive biomarkers** for intelligence over time.
--
-----
--
--## **Relevance to Subproject**
--- Provides evidence for **long-term intelligence trends**, contributing to research on **cognitive evolution**.
--- Aligns with broader discussions on **dysgenics, neurophysiology, and cognitive load**.
--- Supports the argument that **modern societies may be experiencing intelligence decline**.
--
-----
--
--## **Suggestions for Further Exploration**
--1. Investigate **genetic markers associated with reaction time** and intelligence decline.
--2. Examine **regional variations in reaction time trends**.
--3. Explore **cognitive resilience factors that counteract the decline**.
--
-----
--
--## **Summary of Research Study**
--This study examines **historical reaction time data** as a measure of **cognitive ability and intelligence decline**, analyzing data from **Western populations between 1884 and 2004**. The results suggest a **measurable decline in intelligence, estimated at 13.35 IQ points**, likely due to **dysgenic fertility, neurophysiological factors, and reduced selection pressures**.
--
--This summary provides an accessible, at-a-glance overview of the study’s contributions. Please refer to the full paper for in-depth analysis.
--
-----
--
--## **📄 Download Full Study**
--[[Download Full Study>>attach:10.1016_j.intell.2014.05.012.pdf]]
--
--{{/expand}}
--
--{{html}}<hr style="border: 3px solid red;">{{/html}}
--
--