About Isabella Lay, Clinical Psychologist
Understanding patterns. Providing clarity. Supporting meaningful change.
A tailored approach
Therapy is about more than reducing symptoms. For many people, meaningful change begins with understanding the patterns shaping how they think, feel and relate to others.
Isabella's approach combines evidence-based therapy with careful psychological formulation and, where appropriate, structured assessment. Rather than assuming the same explanation fits everyone, therapy aims to build an individual understanding of the factors contributing to each person's difficulties before deciding where change is likely to have the greatest impact.
Alongside clinical practice, Isabella has delivered a guest presentation to postgraduate psychology students at Monash University, presented to organisations including ANZ, and published peer-reviewed psychological research.
She is also the founder of Applied Brain Co, which develops psychological education and practical frameworks for individuals and practitioners, separately from her clinical practice.
Many adults reach a point where they no longer want to simply cope better—they want to understand why the same emotional, relational or behavioural patterns continue to repeat.
These patterns often make sense in the context of a person's history, relationships and way of adapting to life's challenges. Understanding them does not remove them overnight, but it creates a clearer foundation for meaningful and lasting change. Therapy can then help you recognise these patterns closer to the moment they occur, creating more space to respond deliberately rather than automatically.
Whether through therapy, structured assessment or a combination of both, Isabella works collaboratively to help people make sense of experiences that may previously have felt confusing, inconsistent or difficult to explain.
Understanding yourself more clearly
Teachings and Presentations
Publications
The psychological cost of being the woman everyone can rely on
Published in Women’s Agenda, August 2026
Why chronic overfunctioning is not always resolved by simply learning to say no—and how being capable, helpful and undemanding can become tied to identity, approval, safety and self-worth.
Peer-Reviewed Publications
Jenkins, C. A., Tiley, L. C., Lay, I., Hartmann, J. A., Chan, J. K., & Nicholas, C. L. (2022). Comparing GENEActiv against Actiwatch-2 over seven nights using a common sleep scoring algorithm and device-specific wake thresholds. Behavioral Sleep Medicine, 20(4), 369-379.
Pittaway, I., Ishkova, A., Bean, H., McCarthy, S., Lay, I., Avraam, J., Dawson, A., Thornton, T., Nicholas, C.L., & Jordan, A. S. (2020). Does nasal obstruction induce obstructive sleep apnea in healthy women?. Nature and Science of Sleep, 347-355.
Get clarity on what’s driving your patterns.
Whether you’re seeking support through therapy or looking for a clearer understanding through assessment, the next step is to start a conversation.