Revise Emotion and cognition for IB Psychology (2.3)

It is tempting to think emotion simply 'colours' cold, rational thought. The evidence points to something deeper and bidirectional. In one direction, emotional arousal changes cognition: strong feelings can sharpen memory for the gist of an event while narrowing attention away from peripheral detail, and can push decisions towards or away from risk. In the other direction, cognition creates emotion: how you interpret an ambiguous situation — as a threat, a challenge or a triviality — determines what you feel. Appraisal theory formalises this second direction, and it is a favourite of examiners precisely because students so often get the order wrong.

Flashbulb memory (FBM) was proposed by Roger Brown and James Kulik in 1977. They argued that when we learn of an event that is highly surprising and personally consequential, a special neural mechanism records the surrounding circumstances — where we were, who told us, what we were doing, how we felt — with unusual vividness and durability. The claim is not that we remember the event itself especially well, but that we remember the moment of learning about it as if a mental camera flash had gone off. This is the special-mechanism account: emotional events recruit a distinct memory process.

The rival ordinary-memory account says there is nothing special going on. On this view, FBMs are simply ordinary memories that are emotionally arousing and frequently rehearsed — we talk and think about them often — so they feel vivid and are held with great confidence. But they are still subject to the normal processes of reconstruction and decay. The whole debate, then, turns on one question: are flashbulb memories genuinely more ACCURATE and more PERMANENT than ordinary memories, or do they just FEEL that way? This is where the evaluation studies come in.

Brown & Kulik (1977) themselves provide early support. AIM: to investigate whether surprising, consequential events produce especially vivid memories. PROCEDURE: they used a questionnaire with 80 American participants about their memories of 10 events, mostly assassinations and attempted assassinations of public figures. FINDINGS: participants reported vivid, detailed memories of the context in which they heard the news, and personal consequentiality mattered — for example, Black participants were more likely to report flashbulb memories for the assassinations of civil-rights leaders than White participants. LINK: this suggests that the emotional significance of an event (its consequentiality) drives the formation of vivid contextual memories, consistent with a special mechanism.

Neisser & Harsch (1992) challenge that conclusion. AIM: to test whether flashbulb memories are accurate over time. PROCEDURE: the morning after the 1986 Challenger space-shuttle disaster they gave a questionnaire to students about how they heard the news; two and a half years later they gave the same students the same questionnaire, then showed them their original answers. FINDINGS: there were large discrepancies between the two accounts — some participants' later memories were substantially wrong — yet confidence in the inaccurate later memories was high, and many were startled to see their own original responses. LINK: this shows that flashbulb memories can be reconstructed and inaccurate despite feeling vivid and certain, which supports the ordinary-memory account and undercuts the claim of a special, accurate, permanent mechanism.

Why should emotion affect memory at all? A biological explanation points to the amygdala. When an event is emotionally arousing, the release of stress hormones such as adrenaline stimulates the amygdala, which then modulates memory consolidation in the hippocampus — effectively flagging the event as important and worth storing strongly. Cahill & McGaugh (1995) tested this. AIM: to see whether emotional arousal enhances memory through this adrenaline pathway. PROCEDURE: participants viewed a series of slides with either a neutral story or an emotionally arousing story; some participants were given a beta-blocker (propranolol) that dampens the effect of adrenaline. FINDINGS: participants who heard the emotional story WITHOUT the drug remembered it better, especially its central emotional phase, than those who heard the neutral story; but participants given the beta-blocker showed no such enhancement. LINK: this indicates that the memory-boosting effect of emotion depends on the adrenaline/amygdala system — a biological mechanism by which emotion influences the cognitive process of memory.

So far emotion has been affecting cognition. Appraisal theory, associated with Richard Lazarus, runs the arrow the other way. Its central claim is that an emotion is the OUTPUT of a cognitive appraisal — an evaluation of what an event means for our wellbeing. First we appraise (Is this a threat? Can I cope?), and that appraisal is what produces the emotion. The same event can therefore generate different emotions in different people depending on how they interpret it: a looming exam appraised as a threat produces anxiety, but appraised as a challenge produces excitement. The order is essential and it is the single most common thing students reverse: in appraisal theory, thinking comes before feeling.

Emotion and cognition is not a self-contained box. The reliability of memory it raises feeds directly into later work on reconstructive memory and eyewitness testimony, while the amygdala mechanism links back to the biological approach and forward to stress and health. Keep the two directions in view — emotion shaping cognition, and cognition (appraisal) shaping emotion — because almost every exam question here is really asking you to pick one direction, one process, and one well-described, explicitly-linked study.