Light not only affects the geometric perception of space, but also plays a crucial role in shaping mood, atmosphere and (as I am now convinced after conducting this thesis) function. In this thesis, my objective was to identify the patterns associated with a user's perception of space under different lighting conditions. To achieve this, I selected two existing spaces and created six lighting scenarios for each space. The scenarios were presented in the questionnaire as videos, providing a more comprehensive view of the space within the given lighting conditions. A review of the responses from 44 participants revealed certain patterns in the perception of the space atmosphere under different scenarios. For example, scenarios with horizontal lighting were perceived as relaxing by the majority, while scenarios with vertical lighting were perceived as more exciting. A clearer and more defined pattern emerged when participants were asked to identify the intended function of the space: contrasting lighting gave the impression that the space was primarily intended for cultural activities, whereas with uniform lighting the majority of respondents chose the intended function as a transit zone. The influence of light on the function of a space has potential for further practical application and research.