The negative effects of digital technology on cognition #2 (with key studies): TV, attention and working memory

tdixon Cognitive Psychology, IB Psychology HL Extensions, Key Studies 5 Comments

Technology’s Negative Effects on Memory Numerous studies have investigated the effects of watching television on working memory and executive functions because kids in developed countries tend to watch a lot of television. Watching TV for long periods of time might be harmful for cognition because it doesn’t require us to use our working memory, unlike other activities like reading, doing …

Technology and Memory: The negative effects of digital technology on memory #1 (and key studies)

tdixon Cognitive Psychology, IB Psychology HL Extensions, Key Studies Leave a Comment

The following has been adapted from our exam revision book: IB Psychology: A Revision Guide (available here). This is relevant for the working memory model and also for the HL extension: the (negative) effects of technology on cognitive processes and the reliability of cognitive processes. In this post we look at the negative effects of computer games and other technology …

Can computer games improve working memory? A look at the positive effects of digital technology on cognition (and key studies)

tdixon Cognitive Psychology, IB Psychology HL Extensions, Key Studies Leave a Comment

The following has been adapted from our exam revision book: IB Psychology: A Revision Guide (available here). This is relevant for the working memory model and also for the HL extension: the (positive) effects of technology on cognitive processes and the reliability of cognitive processes. In this blog we look at the positive effects of computer games and other technology …

Cognitive Etiology of PTSD: Appraisals

tdixon Abnormal Psychology, Cognitive Psychology, Post-Traumatic Stress Disorder Leave a Comment

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, cognitive appraisal refers …

Key Studies: Reconstructive memory

tdixon Cognitive Psychology, Criminology, Studies and Theories Leave a Comment

False Memories and the Misinformation Effect Background Information Elizabeth Loftus is a prominent memory researcher whose work has had significant impacts on the legal system in the United States. She is often called on to testify in legal cases against eye-witness testimony. In the past, if an eyewitness claimed that they saw someone commit a crime they would almost definitely …

Key Study: Multi-store Model – The Primacy and Recency Effects

tdixon Cognitive Psychology 1 Comment

The following has been adapted from IB Psychology: A Student’s Guide Evidence for MSM: Serial position effect (primacy and recency effects) The serial position effect (aka primacy and recency effect) is a cognitive phenomenon whereby people tend to remember the first (primacy) and last (recency) items in a series. This provides evidence for the MSM: people tend to remember the first items …

Key Study for the Dual Processing Model (Thinking and Decision Making)

tdixon Cognitive Psychology Leave a Comment

The following is adapted from: “IB Psychology: A Revision Guide.” Tversky and Kahneman spent many years studying people’s thinking and decision making. As a result, they devised a dual processing model that attempts to explain two systems people use when processing information: system one and system two. The system used to process information can affect our decision making. System one …

Why do marriages end in divorce? A cognitive explanation

tdixon Cognitive Psychology, Human Relationships, Love and Marriage Leave a Comment

The material in this post will help students who are studying for the Human Relationships option and want to make sure they can answer any possible question about the topic: “Personal relationships.” Understanding why marriages may deteriorate and end in divorce is key in preparing to answer questions relating to the topic “why relationships may change or end.” Perhaps the …

Lesson Idea: Kahn the Caveman

tdixon Abnormal Psychology, Cognitive Psychology, Post-Traumatic Stress Disorder, Teaching Ideas Leave a Comment

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. …

Key Study: FBM across cultures by Kulkofsky et al. (2011)

admin Cognitive Psychology, Social and Cultural Psychology Leave a Comment

Relevant Topics: Emotion and Cognition & Cultural Dimensions This study compares flashbulb memory (FBM) formation across different cultures. It can be used to show the effects of one cultural dimension (individualism and collectivism) on behaviour (FBM formation). If you’re using FBM theory to explain how emotion can affect cognition, this could also be used in an essay as a counter-argument …