{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"The Knowledge Architects: Building Wisdom in the Information Age","title":"Episode 17 | The Myth of Multitasking","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/d5fadd50\"></iframe>","width":"100%","height":180,"duration":951,"description":"Episode SummaryRight now, as you read this, you are probably not doing only one thing. A document is open. A chat window pulses in another tab. An email preview slides across the corner of the screen. A calendar reminder waits ten minutes away. It feels like several tasks are running at once. The science offers a sharper picture: the screen is multitasking, but your attention is switching. And every switch has a price.In this episode we examine the cost of changing task state. Drawing on Harold Pashler's research on the central bottleneck, Stephen Monsell's work on switch costs, Gloria Mark's two decades of workplace observation, and Sophie Leroy's discovery of attention residue, we show why \"quick checks\" are rarely quick, why the famous \"23 minute recovery\" number deserves a more careful telling, and why notifications behave less like information and more like task invitations. The point is not that humans cannot multitask. It is that demanding mental tasks usually compete for the same machinery, and the cost of switching is not lost time alone. It is lost task state.Key Topics CoveredThree behaviors hide under one word: concurrent performance, rapid task switching, and background task managementPashler's psychological refractory period: the central bottleneck at response selectionWickens's multiple resource theory: why some task pairs interfere more than othersThe problem state bottleneck (Borst, Taatgen, van Rijn): switching disrupts the live \"where am I\" representationSwitch costs in detail: switch cost, preparation effect, residual cost, mixing cost (Monsell, 2003)Goal shifting and rule activation as separable executive operations (Rubinstein, Meyer, Evans)Memory for goals (Altmann, Trafton): suspended goals decay, environmental cues help reactivationAttention residue (Leroy): thoughts about Task A intrude into Task BThe corrected \"23 minute\" claim: the published number is 25 minutes 26 seconds, with 2.26 intervening working spheresSelf interruption is...","thumbnail_url":"https://img.transistorcdn.com/FqjMDaQUSm1bYfkwwD6aDUnSGdwLjCiheWhxBb00zow/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS84YjIz/YzkwMzlmNGM5YmEw/NTJkOGYyMTk0YTMw/ZWM0Zi5wbmc.webp","thumbnail_width":300,"thumbnail_height":300}