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The cognitive approach emerged during the 1950s and 1960s as a reaction against behaviourism's flat refusal to study the mind. Behaviourism had insisted that only observable behaviour could be studied scientifically; but by the mid-twentieth century many psychologists felt this left out the most interesting and important part of human beings — their thinking. The arrival of the digital computer provided a powerful new metaphor: if a machine could input, process, store and output information, perhaps the human mind could be understood in the same terms. This "cognitive revolution" re-legitimised the study of internal mental processes — perception, attention, memory, language and thinking — but, crucially, insisted they be studied scientifically, through controlled experiment and inference, rather than through Wundt's subjective introspection.
This lesson addresses the AQA A-Level Psychology (7182) specification topic Approaches in Psychology — The cognitive approach, requiring you to know and evaluate:
It is examined on Paper 2 (Psychology in Context) and links synoptically to Memory (the multi-store and working memory models; eyewitness testimony, Paper 1), the cognitive explanation and treatment of depression (Beck and Ellis; CBT, Paper 1), and the reductionism and determinism debates (Paper 3).
Key Definition: Cognitive approach — the approach that explains behaviour in terms of internal mental processes (perception, attention, memory, language, thinking), studied scientifically through inference and often modelled on the computer analogy.
The defining feature of the cognitive approach is that it studies processes that cannot be seen directly. We cannot observe "memory" or "attention"; we can only observe behaviour and infer the mental processes behind it.
| Process | Description | Example |
|---|---|---|
| Perception | Organising and interpreting sensory information | Recognising a face in a crowd |
| Attention | Selectively focusing on particular stimuli | Following a lecture despite background noise |
| Memory | Encoding, storing and retrieving information | Recalling facts in an exam |
| Language | Understanding and producing meaningful communication | Comprehending a sentence and replying |
| Thinking | Reasoning, problem-solving and decision-making | Working through a maths problem |
Key Definition: Inference — the process of drawing conclusions about unobservable mental processes on the basis of observable behaviour. For example, if participants recall the first and last items of a list better than the middle, we infer the existence of separate short- and long-term memory stores.
Inference is what allows the cognitive approach to remain scientific while studying the mind: the mental process itself is never seen, but its existence and properties are deduced from carefully measured behaviour.
A concrete example shows how inference operates. If participants are read a list of 20 words and then asked to recall as many as possible in any order, they reliably recall the first few words (the primacy effect) and the last few words (the recency effect) better than the words in the middle. No one has observed a memory store; yet from this pattern of behaviour cognitive psychologists infer the existence of two separate stores — a long-term store (the early words had time to be rehearsed and transferred) and a short-term store (the final words are still held in immediate memory). If a distractor task is then inserted before recall, the recency effect disappears while primacy remains — supporting the inference that the two effects depend on different stores. This is the logic that produced the multi-store model: a theoretical structure built entirely by inference from controlled behavioural data.
This example also shows why the approach is scientific: the inferences are not arbitrary speculation but are derived from systematically manipulated conditions (list length, delay, distraction) and are open to falsification — had the recency effect survived the distractor task, the two-store inference would have been undermined.
The cognitive approach makes heavy use of models — simplified representations that make abstract mental processes concrete and testable.
| Type of model | Description | Example |
|---|---|---|
| Theoretical models | Abstract diagrams/flowcharts of how a process works | The Multi-Store Model of Memory (Atkinson & Shiffrin, 1968); the Working Memory Model (Baddeley & Hitch, 1974) |
| Computer models | Programs that simulate human cognition to test how it might work | Programs modelling problem-solving, language processing or pattern recognition |
The computer analogy treats the mind as an information-processing system:
| Computer | Human Mind |
|---|---|
| Input (keyboard) | Sensory input (eyes, ears) |
| Processing (CPU) | Cognitive processing (perception, attention, thinking) |
| Storage (hard drive/RAM) | Memory (short- and long-term) |
| Output (screen) | Behaviour and responses |
graph LR
A[Input: Sensory Information] --> B[Encoding]
B --> C[Processing: Cognitive Operations]
C --> D[Storage: Memory]
D --> C
C --> E[Output: Behaviour/Response]
Exam Tip: The computer analogy is useful because it gives a clear, testable framework and underpinned the rise of artificial intelligence. But be ready to criticise it as machine reductionism: unlike a computer, the human mind is shaped by emotion, motivation and social context, and can make errors of the kind a faithful information processor would not.
The clearest illustration of "theoretical models" on the specification comes from the study of memory, where models built by inference have been progressively refined by evidence.
| Model | Key idea | How it was tested |
|---|---|---|
| Multi-Store Model (Atkinson & Shiffrin, 1968) | Memory is a flow through three unitary stores — sensory register, short-term memory and long-term memory — differing in capacity, duration and coding | Behavioural studies (e.g. the serial position effect; capacity and duration experiments) |
| Working Memory Model (Baddeley & Hitch, 1974) | Short-term memory is not one store but an active system with a central executive directing two "slave" systems — the phonological loop (sound) and the visuo-spatial sketchpad (vision/space) — later joined by the episodic buffer | Dual-task studies: two tasks using the same component interfere, two using different components do not |
The progression from the multi-store to the working memory model is a model example of how the cognitive approach works: a theoretical structure is proposed on the basis of inference, tested experimentally, found wanting (the multi-store model treats STM as a single store), and replaced by a more sophisticated model that better fits the evidence. This is theory development through the scientific method — a strong point to make when evaluating the approach's scientific status, and a direct synoptic bridge to the Memory topic on Paper 1.
Frederic Bartlett (1932) introduced the concept of schema — a pre-existing mental framework that organises knowledge and guides expectations.
Key Definition: Schema — a mental framework of beliefs and expectations, developed through experience, that influences cognitive processing of perception, memory and interpretation.
Schemas explain a great deal of everyday cognition: social schemas (stereotypes) shape how we perceive groups; scripts tell us the expected sequence of events in familiar situations (e.g. a restaurant visit); and self-schemas influence what we notice and remember about ourselves. They are largely adaptive, allowing efficient processing of overwhelming amounts of information, but the same shortcut can produce cognitive biases — systematic errors such as confirmation bias — when we ignore or distort information that does not fit.
Cognitive neuroscience is the scientific study of the biological structures and processes that underpin cognition. It emerged from rapid advances in brain-imaging technology from the 1970s onward, and represents the convergence of the cognitive and biological approaches.
| Technique | What it measures | Strength |
|---|---|---|
| fMRI (functional Magnetic Resonance Imaging) | Blood flow indicating active brain regions during a task | High spatial resolution — pinpoints where processing occurs |
| PET (Positron Emission Tomography) | Metabolic/neurotransmitter activity via radioactive tracers | Can map neurochemical activity during cognition |
| EEG (Electroencephalogram) | Electrical activity at the scalp | Excellent temporal resolution — captures when activity occurs |
Key Definition: Cognitive neuroscience — the scientific study of the influence of brain structures on mental processes, made possible by brain-imaging technologies such as fMRI, PET and EEG.
A landmark example is Endel Tulving's PET research on long-term memory, which provided physical evidence that episodic and semantic memory are associated with different patterns of brain activity in the prefrontal cortex — confirming, biologically, a distinction that had previously been inferred only from behaviour. Similarly, Broca's area and Wernicke's area have been linked to speech production and comprehension. Cognitive neuroscience has therefore strengthened the scientific status of the cognitive approach by grounding inferred mental processes in observable brain activity.
The different techniques offer complementary strengths, and choosing between them involves a trade-off between where and when:
Understanding this trade-off is valuable for evaluation: brain imaging makes the cognitive approach more scientific, but each technique has limitations, and inferring a cognitive process from a pattern of neural activity is itself a further act of inference — so imaging supports, but does not wholly remove, the approach's reliance on inference.
The cognitive approach has produced highly influential explanations of psychopathology, centred on the idea that it is not events themselves but our interpretation of them that drives emotion.
| Theorist | Theory | Key idea |
|---|---|---|
| Aaron Beck (1967) | Negative cognitive triad | Depression arises from negative schemas about the self ("I am worthless"), the world ("everything is against me") and the future ("nothing will improve") |
| Albert Ellis (1962) | ABC model | Psychological disturbance results from irrational beliefs (B) about activating events (A), producing emotional/behavioural consequences (C) |
graph LR
A["A: Activating Event - e.g. failing an exam"] --> B["B: Belief - e.g. I am a total failure"]
B --> C["C: Consequence - e.g. depression, giving up"]
B --> D["D: Dispute - e.g. one failure does not define me"]
D --> E["E: Effect - e.g. balanced emotions, trying again"]
The crucial cognitive insight is that two people can face the same activating event yet respond completely differently, depending on the beliefs and schemas through which they interpret it. These theories led directly to Cognitive Behavioural Therapy (CBT), which identifies and challenges irrational or negative thoughts and is recommended by NICE as a first-line treatment for depression and anxiety.
A central strength of the cognitive approach is its use of objective, scientific methods, which gives it credibility. Cognitive psychologists employ tightly controlled laboratory experiments and, more recently, brain-imaging technology to study mental processes, manipulating variables and measuring behaviour to infer the processes responsible. This matters because objectivity and replicability are defining criteria of science, and the approach meets them while still investigating the mind — succeeding precisely where Wundt's subjective introspection failed. The implication is that the cognitive approach showed it is possible to study internal mental processes rigorously, restoring the mind to scientific psychology after behaviourism had exiled it.
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