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IB DP Psychology — Cognitive Approach | SL & HL | Paper 1
🎯 Learning Intentions By the end of this note, you will be able to:
- Define cognitive offloading, divided attention, and digital multitasking using IB-aligned terminology.
- Explain how technology use affects attention, memory, and cognitive performance.
- Describe the role of working memory limitations in understanding the cognitive effects of technology.
- Evaluate research evidence on technology and cognition using supporting and opposing studies in ACAS format.
- Apply technology and cognition concepts to a real-world case study from the cognitive perspective.
- Discuss the extent to which technology use impairs or enhances cognitive functioning.
- Analyse research on technology and cognition using relevant concept areas: Bias, Causality, Measurement, and Perspective.
Introduction & Context
Think about the last time you sat down to study. How long did it take before you checked your phone, switched a browser tab, or glanced at a notification? For most students today, the answer is measured in minutes — sometimes seconds. We live in an environment saturated with digital stimuli, and our cognitive systems — built over thousands of years of evolution — are now being asked to navigate something entirely new.
Psychologists have become increasingly interested in how this digital environment shapes the way we think, remember, and pay attention. The question is not simply whether technology is "good" or "bad" for the brain — it is far more nuanced than that. Technology can extend our cognitive abilities in remarkable ways, but it can also fragment attention, disrupt memory consolidation, and create patterns of shallow processing. Understanding these effects requires us to look carefully at what cognitive science tells us about how the mind works — and where its limits lie.
This topic sits within the cognitive approach to psychology, which treats the mind as an information-processing system. From this perspective, technology is essentially an external input that interacts with internal cognitive processes such as attention, working memory, and long-term memory encoding. When we understand those processes, we can begin to ask meaningful questions about what happens when technology intervenes in them.
🔌 Analogy — The Overloaded Circuit Imagine your cognitive system as an electrical circuit with a fixed capacity. When you add too many devices to the same circuit, the power is spread too thin — lights dim, appliances slow down, and some may stop working altogether. Technology, when used without awareness, can act like plugging in too many devices at once. Your attention, working memory, and processing power are finite resources. When technology demands too much of them simultaneously, the whole system underperforms.
Core Concepts
Before we can evaluate what technology does to cognition, we need to understand the cognitive architecture it interacts with. The most relevant concept here is working memory — the mental workspace where we hold and manipulate information in the short term. Working memory has a strictly limited capacity, famously described by Miller (1956) as approximately seven items (plus or minus two). When technology demands our attention, it competes for space in this limited workspace.
When multiple streams of information arrive simultaneously — a text message, a video, a conversation — working memory cannot process all of them with equal depth. This is the cognitive basis for understanding why multitasking with technology tends to reduce the quality of performance on each individual task. The mind is not truly doing two things at once; it is rapidly