[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:06.65,0:00:09.35,Default,,0000,0000,0000,,What's going on inside your head\Nwhen your mind wanders? Dialogue: 0,0:00:09.36,0:00:11.80,Default,,0000,0000,0000,,While it may feel\Nlike flipping on a screensaver, Dialogue: 0,0:00:11.81,0:00:13.87,Default,,0000,0000,0000,,our brain is still very much at work. Dialogue: 0,0:00:13.88,0:00:16.07,Default,,0000,0000,0000,,In fact, a particular group\Nof brain regions Dialogue: 0,0:00:16.08,0:00:19.35,Default,,0000,0000,0000,,actually increase in activity\Nwhenever we are not focused on a task. Dialogue: 0,0:00:19.35,0:00:22.20,Default,,0000,0000,0000,,This is known\Nas the default mode network. Dialogue: 0,0:00:22.20,0:00:24.52,Default,,0000,0000,0000,,And the functional connections\Ntypically include: Dialogue: 0,0:00:24.53,0:00:28.03,Default,,0000,0000,0000,,the medial prefrontal cortex,\Nmedial parietal cortex, Dialogue: 0,0:00:28.03,0:00:30.49,Default,,0000,0000,0000,,and medial temporal lobes. Dialogue: 0,0:00:30.78,0:00:32.11,Default,,0000,0000,0000,,There is still much debate Dialogue: 0,0:00:32.11,0:00:36.01,Default,,0000,0000,0000,,as to what these cortical\Nassociations mean, if anything at all. Dialogue: 0,0:00:36.02,0:00:39.14,Default,,0000,0000,0000,,One theory implicates them\Nin introspection and mind wandering, Dialogue: 0,0:00:39.14,0:00:41.53,Default,,0000,0000,0000,,essentially our stream of consciousness. Dialogue: 0,0:00:41.53,0:00:44.08,Default,,0000,0000,0000,,This includes any thoughts\Nnot directly associated Dialogue: 0,0:00:44.08,0:00:46.56,Default,,0000,0000,0000,,with the immediate external environment. Dialogue: 0,0:00:46.57,0:00:49.98,Default,,0000,0000,0000,,Much of our waking hours are composed\Nof stimulus independent thought, Dialogue: 0,0:00:49.99,0:00:53.28,Default,,0000,0000,0000,,whether it be daydreaming,\Nplanning out our future actions, Dialogue: 0,0:00:53.29,0:00:58.34,Default,,0000,0000,0000,,revisiting memories, or just listening\Nto yourself buried out your day. Dialogue: 0,0:00:58.35,0:01:00.68,Default,,0000,0000,0000,,Another theory posits\Nthat the network's activity Dialogue: 0,0:01:00.69,0:01:04.35,Default,,0000,0000,0000,,is the brain's baseline of processing\Nand information maintenance. Dialogue: 0,0:01:04.35,0:01:05.98,Default,,0000,0000,0000,,Separate from conscious thought, Dialogue: 0,0:01:05.98,0:01:07.42,Default,,0000,0000,0000,,these activations represent Dialogue: 0,0:01:07.42,0:01:09.46,Default,,0000,0000,0000,,how our brains consolidate experiences, Dialogue: 0,0:01:09.47,0:01:11.99,Default,,0000,0000,0000,,and prepare to react to the environment. Dialogue: 0,0:01:12.00,0:01:13.85,Default,,0000,0000,0000,,We're exposed to a constant stream Dialogue: 0,0:01:13.86,0:01:15.65,Default,,0000,0000,0000,,of information from our surroundings, Dialogue: 0,0:01:15.65,0:01:17.93,Default,,0000,0000,0000,,so maybe\Nthe default mode network activations Dialogue: 0,0:01:17.93,0:01:20.78,Default,,0000,0000,0000,,are somehow in charge\Nof making sense of it all. Dialogue: 0,0:01:20.79,0:01:23.28,Default,,0000,0000,0000,,But though neuroscientists\Nhaven't completely agreed Dialogue: 0,0:01:23.29,0:01:25.48,Default,,0000,0000,0000,,on what the default mode activations mean, Dialogue: 0,0:01:25.48,0:01:27.37,Default,,0000,0000,0000,,it's clear that resting state research Dialogue: 0,0:01:27.38,0:01:29.90,Default,,0000,0000,0000,,is bursting with potential\Nand applicability. Dialogue: 0,0:01:29.91,0:01:33.91,Default,,0000,0000,0000,,Various psychological disorders,\Nincluding ADHD, schizophrenia, Dialogue: 0,0:01:33.93,0:01:35.47,Default,,0000,0000,0000,,autism, and Alzheimer's, Dialogue: 0,0:01:35.48,0:01:37.74,Default,,0000,0000,0000,,exhibit different types\Nof abnormal functioning Dialogue: 0,0:01:37.75,0:01:39.57,Default,,0000,0000,0000,,in the default mode network. Dialogue: 0,0:01:39.70,0:01:42.11,Default,,0000,0000,0000,,In the end, there are\Nmany interesting directions Dialogue: 0,0:01:42.12,0:01:43.64,Default,,0000,0000,0000,,to take resting state research: Dialogue: 0,0:01:43.65,0:01:46.47,Default,,0000,0000,0000,,from picking apart\Nthe neural correlates of consciousness Dialogue: 0,0:01:46.48,0:01:48.39,Default,,0000,0000,0000,,to uncovering better ways to detect, Dialogue: 0,0:01:48.41,0:01:51.78,Default,,0000,0000,0000,,understand, and maybe even treat,\Npsychological disorders.