Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers argue that the human brain is not designed to process multiple streams of information simultaneously; instead, it rapidly switches attention between tasks, leading to a phenomenon known as 'attention residue.' This residue impairs performance on subsequent tasks, as lingering thoughts from the previous activity reduce cognitive focus. Furthermore, neuroimaging data reveal that task-switching activates the prefrontal cortex more intensely than focused work, resulting in higher mental fatigue and increased error rates. While some individuals claim to be proficient multitaskers, empirical evidence suggests that they are often less accurate and slower than their focused counterparts. Consequently, experts advocate for 'single-tasking' in academic and professional settings, emphasizing that deep concentration fosters higher-quality output and better retention of information. These findings have significant implications for how students should structure their study habits, particularly in an era of constant digital distractions.
❓ Según el pasaje, ¿cuál es una consecuencia importante de la "residuo de atención"?
A. Mejora la capacidad del cerebro para procesar múltiples flujos de información.
B. Reduce el enfoque cognitivo en tareas posteriores, perjudicando el rendimiento.
C. Aumenta la velocidad de cambio de tareas sin afectar la precisión.
D. Activa la corteza prefrontal con menos intensidad que el trabajo enfocado.
✅ 正确答案
It reduces cognitive focus on subsequent tasks, impairing 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