
When Your Old Identity No Longer Fits
From Living with Purpose by Simone Denny
February 18, 2026 · 28 min
About this episode
Simone explores the psychological and neurological experience of identity transition in midlife.
In this episode, Simone explores the psychological and neurological experience of identity transition in midlife — the space between who you have been and who you are becoming. Many people reach a point where familiar roles, ambitions, and motivations no longer feel aligned. Drive shifts. Ambition softens. Output slows. The structures that once defined success begin to feel heavy or outdated. This episode examines that transition through two lenses: • The concept of the liminal space — the threshold between identities • The neurological changes of midlife, particularly during menopause As oestrogen fluctuates and declines, it affects the prefrontal cortex (responsible for planning and executive function) and influences dopamine signalling (which drives motivation and reward). When these systems recalibrate, the reward response to striving, caregiving and high performance can change. Cognitive stamina may feel different. Long-term goal orientation may shift. When reward, stress and identity networks reorganise simultaneously, it can create a profound sense of being in-between. Simone also explores: • Midlife as transformation rather than crisis • The discomfort of letting go of an…
People in this episode
Host: Simone
Topics covered
- identity transition
- midlife
- neurological changes
- liminal space
- motivation
- transformation
Keywords
- oestrogen
- prefrontal cortex
- dopamine signalling
- cognitive stamina
- long-term goals
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