Urban neighborhoods are one of the vital elements of each city and the culture of urban residents is concealed in the texture and sinew of that .The advent of new technologies in urban life and percipitance of designers for construction of buildings led to reduce of fixation sense about their living environment and decrease social interaction. once the historical districts are regarded as symbols of security, comfort and authenticity of the residents, due to inefficiency and interruption of their structures, suffer instability and displacement of their residents.According to this, instability and displacement of inhabitants to districts of historical value are known as the main problem in these neighborhoods. The purpose of this study is to identify the effective factors of authenticity in historical textures of “Ferdowsi” neighborhood located in distrct 12 of Tehran by phenomenological approach.method. For this purpose, eight persons of  this neighborhood were selected by purposive sampling method were collected through questionnairs and profound individual interviews.After recording the interviews, they were implemented in Maxqda qualitative data analysis softwarethe data and analyzed by seven-based Colaizzi methods.Authenticity as one of the individual characteristics will have an effective factor in educating people to live as citizens in the external society and will have a controlling role on human behavior and performance in society. Therefore, preserving and protecting valuable historical monuments, buildings and places. In a neighborhood that is subject to the behavioral and functional characteristics of human beings, in addition to the permanence and sensory richness of the permanence and sensory richness of the space, it will be necessary to transfer originality from one generation to another.

High-rise buildings, by being recognizable in their context and signaling the introduction of urban integrity, have an impact on the perception and formation of citizens' mental image of the city. The present study examines the environmental perception of citizens in the interpretive, emotional, cognitive, and evaluative dimensions of high-rise buildings in Tehran’s 22th district as a case of study and emphasizes the formal, functional and semantic aspects of these buildings on citizen perception. The search system is intended for interpretive-structuralism research and the content analysis method (documentary method) is used in the theoretical section and the cross-sectional survey method. The population of the study consisted of 100 residents and non-residents of the area who are randomly selected. Data were analyzed by using SPSS software and Pearson correlation tests and one-sample T-test to evaluate the relationship between physical and semantic components in high-rise buildings perception and determine the importance of each environmental perception dimension.The results indicate that “the role of beauty of the form and shape of high-rise buildings” and “the amount of elevation congruence with the environment” in the first and second priorities affecting the level of citizens' environmental perception among physical and “The role of legibility and routing” as an effective factor among the semantic components in the perception of high-rise buildings has been based more on emotional and cognitive perception and less on the interpretative and perceptual dimensions of perceived citizenship.