Correlational studies on PTSD

Travis DixonAbnormal Psychology, Post-Traumatic Stress Disorder, Research Methodology

Correlational studies are one of the most commonly used research methods in the study of Post-traumatic Stress Disorder (PTSD). In this post we’ll review WHAT correlational studies are, HOW they’re used to study PTSD and WHY they’re used. We’ll also review three key studies that can support this explanation.  Research methods essays are the hardest to write, but that also …

Socio-cultural Etiology of PTSD: Socioeconomic status

Travis DixonAbnormal Psychology, Biological Psychology, Post-Traumatic Stress Disorder, Social and Cultural Psychology

When you are writing an essay on etiologies, keep it simple to begin with. Find one basic etiology (brain abnormalities, appraisals or socioeconomic status) and explain how and why that’s linked with PTSD. Use simple studies to begin with, and then later in your essay explore the interactions of bio, cog and socio-cultural influences. Etiology – Socioeconomic status A common finding …

Cognitive Etiology of PTSD: Appraisals

Travis DixonAbnormal Psychology, Cognitive Psychology, Post-Traumatic Stress Disorder

Updated July 2020 You can prepare for Paper 2 – Abnormal Psychology – by getting ready to answer any question from just the “Etiologies of abnormal psychology” topic. If you are using this strategy, you need to make sure you can explain biological, cognitive and sociocultural etiologies.  Etiology – Cognitive appraisals (and re-appraisals) Cognitive Appraisal: In the context of PTSD, …

Lesson Idea – Understanding Etiologies With a Case Study

Travis DixonAbnormal Psychology, Biological Psychology, Post-Traumatic Stress Disorder, Teaching Ideas

This lesson is designed to help students understand how reduced function in the vmPFC might be connected with symptoms of PTSD. As with other similar lesson ideas, it tries to make the abstract more concrete by giving real-life examples.  The Activity Students are to read the following summary of Due, a fictionary Vietnamese War vetern. After reading the summary, they …

Lesson Idea: Kahn the Caveman

Travis DixonAbnormal Psychology, Cognitive Psychology, Post-Traumatic Stress Disorder, Teaching Ideas

This lesson comes from the PTSD unit/chapter and will help students understand an evolutionary explanation of the effects of stress (emotion) on memory. It also helps consolidate learning about fear conditioning, which is a key concept in the study of PTSD. Kahn the Caveman! Kahn is living 40,000 years ago. He’s part of a hunter-gatherer tribe living in Southern Europe. …

Exam Tip: How to explain prevalence of disorders

Travis DixonAbnormal Psychology, Post-Traumatic Stress Disorder

If you’re studying Abnormal Psychology as one of your options in IB Psychology it’s important that you can explain differences in prevalence rates. In the old syllabus you have to: Discuss cultural and gender variations in the prevalence of (one or more) disorders. In the new syllabus it just states: Prevalence rates and disorders The key here is much like my …

When drug trials go wrong…

Travis DixonAbnormal Psychology, Biological Psychology, Post-Traumatic Stress Disorder, Teaching Ideas

When testing a new drug there always has to be volunteers for the first human participants to take the drug. But what happens if the trial fails. Like, fails really badly? This is what happened in 2006 when eight male volunteers signed up to be participants in a “first in humans” study. The treatment was a proposed cancer treatment, but …

Exam Tip: How to explain an etiology of a disorder…

Travis DixonAbnormal Psychology, Post-Traumatic Stress Disorder, Revision and Exam Preparation, Teaching Ideas

Explaining an etiology of a disorder can be quite tricky for some students because they focus on the disorder in general. But in order to have a really effective explanation you’re better to focus on specific symptoms. A three step approach to explaining an etiology When learning an etiology or planning an exam answer, you can follow these three simple …

Key Study: Cortisol and Memory (Buchanan and Lovallo, 2001)

Travis DixonBiological Psychology, Cognitive Psychology, Post-Traumatic Stress Disorder

This study can be found in Chapter 4 of the Student’s Guide. Background Studies conducted before this experiment in 2001 showed that cortisol can have a detrimental effect on memory. Animal studies, however, had shown the opposite: stress can improve memory.  This was the first study (at the time) that investigated the influence of cortisol on emotional memory in humans. …

Key Studies: The effects of mindfulness and meditation on the brain (Desbordes et al. 2012, and Lazar et al. 2005)

Travis DixonBiological Psychology, Criminology, Post-Traumatic Stress Disorder

These two studies can be used to discuss: The use of technological techniques Neuroplasticity Experimental methods (quasi and true experiments) to study: The brain cognitive processes Lazar et al. (2005)   There have been numerous studies that have compared the brains of Tibetan monks who have thousands of hours of practice in meditation with normal controls. These studies regularly show …