تبیین ساختار سه‌گانه‌ی کیفیت فضای داخلی معماری درمانی: ابعاد فیزیولوژیک، پدیدارشناختی و اجتماعی-فرهنگی

In recent decades, increasing attention has been paid to the role of architecture in promoting physical, psychological, and socio-cultural dimensions of healing, alongside the growing complexity of healthcare systems and a fundamental shift in contemporary understandings of health and care. Despite this awareness, many healthcare environments continue to be dominated by technical, functional, and efficiency-driven criteria, while perceptual, experiential, and socio-cultural qualities of interior space remain fragmented or insufficiently theorized. This condition reveals a theoretical gap concerning the quality of interior spaces in healing architecture and the spatial mechanisms through which healing is experienced. The aim of this research is to develop a multidimensional explanatory framework for analyzing interior spatial quality in healing architecture through the integration of physiological, phenomenological, and socio-cultural dimensions. The study adopts a qualitative and interpretive research methodology. In the first phase, key conceptual themes were identified through a critical review of theoretical literature and refined through the coding and analysis of semi-structured interviews with experts in architecture, healthcare design, and environmental psychology. In the second phase, the analytical capacity of the proposed framework was examined through a comparative analysis of four significant case studies representing landmark healing environments developed over the past century. The physiological dimension focuses on environmental variables such as natural light, ventilation, acoustic comfort, spatial organization, and materiality, which directly influence bodily processes and health-related outcomes. Rather than treating these factors as purely technical parameters, the study interprets them as spatial conditions that shape embodied experience. The phenomenological dimension addresses healing as an embodied and multisensory process, emphasizing perception, movement, tactility, sound, smell, and atmosphere as integral components of interior space. Drawing on phenomenological theories articulated by thinkers such as Merleau-Ponty, Pallasmaa, and Norberg-Schulz, this dimension conceptualizes healing as a lived and experiential process rather than a solely functional outcome. The socio-cultural dimension examines healing architecture as a socially embedded phenomenon shaped by cultural meanings, social practices, collective values, and place identity, highlighting the role of architecture in fostering dignity, trust, belonging, and social interaction within healthcare environments. The findings indicate that healing architecture achieves its highest effectiveness when these three dimensions are activated simultaneously and interactively within the design process. Rather than operating as discrete or hierarchical layers, physiological, phenomenological, and socio-cultural factors overlap and reinforce one another in shaping the overall healing experience. Spatial qualities such as light, nature, and materiality function not only as determinants of physiological comfort but also as carriers of cultural meaning and mediators of sensory perception and social behavior. The primary contribution of this research lies not in proposing a new dimension of healing architecture, but in articulating the dynamic, non-linear, and integrative relationships among existing dimensions. The proposed tripartite explanatory framework conceptualizes healing as a multisensory, embodied, and socio-culturally embedded experience within interior spaces and offers both an analytical tool and a design-oriented guideline for evaluating and enhancing healthcare interiors across diverse cultural contexts, particularly where healthcare architecture has been shaped predominantly by technical and imported models.