In the intricate dance of neurons and synapses that orchestrates the human mind, Grace Lindsay finds a melody transcribed in the universal language of mathematics. "Models of the Mind" delves into the profound journey of discovery where computation meets neuroscience, illuminating the path by which mathematical models have unlocked the secrets of how our brains perceive, decide, remember, and act. With an expert hand, Lindsay guides us through the evolution of these models, from their nascent beginnings in the study of frog leg neurons at the dawn of the twentieth century to the sophisticated artificial neural networks that underpin today's artificial intelligence. It is a voyage that spans the simplest units of brain function to the complex symphony of the mind's entire orchestra, showcasing how the abstract precision of mathematics can capture the fluid beauty of neural processes. Grace Lindsay weaves a narrative that is both accessible and captivating, highlighting the pivotal moments and key figures whose work has shaped our understanding of the brain's workings. Each chapter focuses on a different mathematical tool applied to various aspects of neuroscience, revealing the elegance and challenges of translating the messy, organic details of biology into the crisp, logical framework of mathematical equations. Through "Models of the Mind," readers are invited to explore the fascinating tension between the abstract and the empirical, gaining insight into not only the mechanics of their own cognition but also the broader implications for how we understand intelligence, both human and artificial. Lindsay's work stands as a testament to the power of interdisciplinary inquiry, shedding light on the most complex organ known to science with the timeless tool of mathematics.