8.1
Razón e Intuición
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; populariz…
Las personas pueden creer que casi siempre toman decisiones racionales, aunque este modo de pensar sea mentalmente agotador.
Basándose en una serie de estudios científicos, los investigadores han sugerido que hay "dos mentes", o dos sistemas de pensamiento, que guían las respuestas.
Uno, el sistema intuitivo, funciona de forma rápida y automática, con el mínimo esfuerzo. El proceso de la intuición es la mente que "ve" una respuesta en ausencia de un razonamiento explícito. En otras palabras, es como si la persona estuviera en piloto automático, simplemente siguiendo la corriente.
En consecuencia, las decisiones intuitivas parecen atajos eficientes, ya que pueden basarse en experiencias previas y similares. Sin embargo, confiar en estas operaciones mentales, conocidas como heurísticas, puede conducir a juicios sesgados o incorrectos.
Si, en cambio, hubiera utilizado el segundo sistema, el sistema racional, tomaría su decisión lenta y deliberadamente y podría anular cualquier respuesta intuitiva. Después de todo, este sistema debe delinear los pasos lógicos de una elección en particular, lo que requiere mucho más esfuerzo y demanda cognitiva en el proceso.
En situaciones novedosas, este tipo de razonamiento y pensamiento racional tienen sentido. Nunca antes había ido de compras durante las horas pico y solo tiene cinco minutos de sobra. Razona que la fila más larga se moverá más rápido que la fila más corta, debido a la cantidad de artículos que tiene cada persona.
A veces, la intuición es difícil de anular: ciertas asociaciones parecen tan plausibles, aunque la evidencia pueda apuntar a una solución diferente.
View the full transcript and gain access to JoVE Core videos
Q1: What are the two systems of thought that guide human decision-making?
The intuitive system operates quickly and automatically with minimal effort, drawing on previous experiences to provide answers without explicit reasoning. The rational system works slowly and deliberately, requiring significant cognitive effort to outline logical steps. Research suggests the brain uses one system at a time, with the prefrontal cortex directing rational thinking and the basal ganglia and amygdala guiding intuitive responses.
Q2: Why do people rely on mental shortcuts even though they can lead to biased judgments?
Heuristics are efficient shortcuts that draw on previous experiences, making decisions quick and effortless compared to deliberate reasoning. However, relying on these mental operations can produce biased or incorrect judgments because they bypass careful analysis. The availability heuristic decision making and similar shortcuts often seem plausible even when evidence suggests different solutions, making them difficult to override.
Q3: When is intuitive decision-making more effective than rational analysis?
Intuitive decision-making excels in familiar situations where experience has taught what to do, allowing immediate action without methodical analysis. Fight-or-flight responses demonstrate how quick intuition can be lifesaving. Experts often rely on gut feelings because their brains have learned patterns from similar past situations, enabling rapid decisions they cannot fully explain logically.
Q4: How do emotions influence which decision-making system we use?
Strong emotions, whether positive or negative, pull people toward quick, reactive decision-making rather than careful analysis. Intense fear triggers immediate fight-or-flight responses, while excitement can lead to impulsive purchases later regretted. It is often best to wait and address volatile situations after emotions have calmed, allowing the rational system to process information methodically.
Q5: What types of situations require rational decision-making over intuition?
Novel and complex situations benefit from logical, analytical, and methodical processing of available information. When facing unfamiliar circumstances, the rational system allows careful consideration of options and consequences. Big decisions should generally be made reflectively rather than impulsively, particularly when the situation lacks precedent in personal experience.
Q6: Why might someone choose a longer line at checkout despite having limited time?
Rational reasoning can override intuitive assumptions by analyzing specific details. Someone with five minutes might reason that the longer line will move faster because each person has fewer items, contradicting the intuitive assumption that shorter lines are quicker. This demonstrates how deliberate thinking can identify logical solutions that initial gut feelings might miss.
Q7: What brain regions are responsible for intuitive versus rational thinking?
The prefrontal cortex directs the rational system, enabling logical and analytical thought. The basal ganglia and amygdala, more primitive brain structures evolutionarily, drive the intuitive system through emotional and habitual responses. These different neural pathways explain why the two systems operate independently and why the brain processes information through one system at a time.