Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers such as Ophir and colleagues (2009) found that individuals who frequently engage in multiple media streams simultaneously perform worse on tasks requiring focused attention and memory retention. This phenomenon, termed 'media multitasking,' appears to impair the brain's ability to filter irrelevant information, leading to increased cognitive load and reduced efficiency. Furthermore, neural imaging studies suggest that chronic multitaskers exhibit altered activity in the prefrontal cortex, a region associated with executive control. While some argue that multitasking is a necessary skill in modern workplaces, empirical evidence indicates that task-switching incurs a 'switching cost,' resulting in slower performance and more errors. Consequently, experts recommend 'single-tasking' as a more effective strategy for complex problem-solving, advocating for structured intervals of deep work without digital interruptions.
❓ ¿Cuál es el hallazgo principal de la investigación mencionada en el pasaje?
A. A) La multitarea mejora la productividad en la mayoría de los entornos laborales.
B. B) La multitarea frecuente con medios está vinculada a un peor rendimiento de atención y memoria.
C. C) La corteza prefrontal no se ve afectada por la multitarea crónica.
D. D) El cambio de tareas no tiene un impacto medible en la velocidad ni en la precisión.
✅ 正确答案
B) Frequent media multitasking is linked to poorer attention and memory performance.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first