Peter Bruza's research spans the fields of information retrieval, applied logic, and cognitive science. His current research lies within the area of Quantum Cognition, which aims to develop new understandings of human cognition by applying the conceptual framework and mathematical structures used in quantum physics.

Applications of this research include how humans make judgements of trust in relation to AI systems, and promotiong effective human-machine shared decision-making (Funded by the US Airforce)