Think Thursday: The Brain's Window of Tolerance & The Holidays

In this Think Thursday episode, Molly explains why the holiday season can feel emotionally harder even when nothing is “wrong.” Using neuroscience and psychology, she introduces the concept of the window of tolerance and explores how cumulative stress, anticipation, sensory overload, emotional memory, and disrupted routines narrow our capacity for regulation during December.Molly walks through what happens in the brain under prolonged stress, including the role of cortisol, emotional flooding, and nervous system survival responses. She reframes coping behaviors as signals of an overwhelmed nervous system rather than a lack of discipline, and shares realistic, supportive ways to gently expand capacity during a demanding season.What You’ll LearnWhat the window of tolerance is and why it mattersHow December compresses our stress tolerance through cumulative demandsWhy anticipation can activate stress before events even happenThe role of cortisol in emotional flooding and impulse controlHow the prefrontal cortex, amygdala, and hippocampus are affected by prolonged stressWhy coping urges increase when nervous system capacity is lowPractical, doable ways to support regulation without adding pressureKey Concepts ExplainedWindow of tolerance as a flexible range that expands and contractsHyperarousal and hypoarousal as nervous system survival statesEmotional flooding when feelings rise faster than regulation systems can manageCapacity over discipline as a more helpful framework for behavior change during stressful seasonsPractical Tools Shared in the EpisodeCreating predictability with small daily routinesUsing gentle movement to lower cortisolSupporting the nervous system through sensory regulation like warmth, sound, and lightTaking frequent micro recovery moments rather than long breaksNaming emotions to reduce amygdala activationAdjusting expectations when capacity is lowerChoosing stability over optimization during high stress periodsResearch and References MentionedDr. Dan Siegel’s Window of Tolerance modelResearch in Psychoneuroendocrinology on cortisol and prolonged stressNeuroscience findings on stress effects in the prefrontal cortex, amygdala, and hippocampusUCLA research on affect labeling and emotion regulationThe Feelings Wheel by Dr. Gloria Wilcox, referenced from Breaking the Bottle LegacyRelated Think Thursday EpisodesThe Neuroscience of AnticipationSelective IgnoranceDefensive PessimismNovelty for Habit ChangeThe Neuroscience of Mental Rest ★ Support this podcast ★