以生理及心理方法探討景觀對感知的影響

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题名:	以生理及心理方法探討景觀對感知的影響 Investigating into the Influence of Landscape on Perception by Physiological and Psychological Methods
作者:	蔡麗秋
贡献者:	建築及都市設計學系
关键词:	心理影響認知景觀類型樹形情緒體驗生理影響
日期:	2019
上传时间:	2019-09-19
摘要:	本研究首次以小林重順（1994）的環境語意圖，探討視覺景觀對感知的心理影響，研究結果發現人們的感知反應相當符合景觀（含樹形）本身的特性，重新確認了景觀分類和樹形在視覺心理影響的重要性。生動／枯燥乏味、有活力／病懨懨、優雅／滑稽可笑、粗野／浪漫等4項是影響景觀心理感知最重要的因子，並且越具生動感、活力感、優雅感、浪漫感的景觀類型和樹形越受歡迎，同時，人們較喜歡偏「暖」、「軟」體驗感的景觀和樹形。故推論生動感、有活力感、優雅感、浪漫感、暖感、軟感可以作為景觀類型和樹形偏好的評估指標。兩性在景觀類型的心理感知上大部分呈現相同反應，在不同類型景觀的體驗和偏好上沒有明顯差異。在樹形方面，兩性對所有樹形的偏好成一致性反應，對多數樹形的情緒體驗也沒有明顯差異，或者在程度上有差異但方向具一致性，但兩性對樹形類別的心理體驗差異比景觀類型大，因此，在環境設計中，樹形的應用不可偏忽諮詢各性別意見。不同專業訓練，即使是同為環境設計學門的市政、建築、景觀專業對景觀的心理感知都有些微差異，充分顯示出專業教育對於知覺和認知的影響。而大陸及台灣兩地景觀教育及文化背景應該也是造成景觀心理差異的原因。在生理影響方面，本研究同時對近距離6種樹形的生理影響進行測試，發現受測者觀看各種樹形時腦波之個別指數並沒有顯著差異，但像傘形樹在短暫的視覺接觸（10秒）時會引起較激動的情緒。心跳變異率分析顯示冠形樹會使人興奮，圓塔形樹會使人放鬆。說明人們觀看不同樹形時仍有不同的生理反應。對照各樹形的心理感知，傘形樹給人可愛感、生動感、有活力感、刺激感，與在觀賞初期引起較激動之腦波反應一致。冠形樹在心跳變異率分析中反應出使人興奮感，也和心理反應的生動感、有活力感一致。生理測量分析顯示大部分的樹形都使人趨於安靜，尤其以圓塔形、橢圓形最明顯，其與在心理上明顯反應出枯燥無味、莊嚴、病懨懨的情緒體驗一致。說明樹形對的生心理影響具有一致性。本研究結果具參考性，可應用在環境景觀設計上，例如老人社區需要營造容易親近的環境，也需要有活力、生動的體驗感，故可多配置卵形、傘形樹；運動場地需要營造有活力、具刺激感的環境，可多配置傘形、錐形樹；醫院除了需要平靜的環境，也需要給人活力感，可配置圓形、卵形、冠形樹。而給人枯燥無味、病懨懨感的棕櫚、圓塔、橢圓形樹，其應用則要慎重。此外，本研究採用兩兩相對語意直接測量人對樹形的情緒體驗，與過去相關研究將諸多體驗形容詞加以歸納，試圖用一個概括性的形容詞來描述樹形給人的情緒體驗，所得結果有相當不同。並且使用概括性語意會忽略情緒體驗間的差異，如同本研究分析所得各樹形多種情緒體驗的偏向，以及因距離變化情緒體驗也有改變的現象，顯示樹形在環境設計中應更謹慎運用。 This study was the first to adopt the environment semantics diagram proposed by Shigenobu Kobayashi (1994) to explore the psychological effects of visual landscape on perception. The results indicated that human perceptions aligned with landscape (including tree forms). This reconfirmed the importance of landscape classification and tree forms to visual and psychological effects. Four pairs of adjectives, vivid/boring, active/listlessly, graceful/ludicrous, and barbaric/romantic, were determined to be the most prominent factors affecting the psychological perception of landscape. Specifically, landscape types or tree forms that were vivid, active, graceful, and romantic were highly preferred by study participants, who also enjoyed landscape types or tree forms that exhibited a sense of warmth and softness. Accordingly, vividness, activity, gracefulness, romanticism, warmth, and softness were adopted as indicators to evaluate preferences for landscape types or tree forms. Participants of two genders demonstrated similar psychological perceptions regarding landscape types, and their perceptions and preferences for landscape types differed nonsignificantly. The participants of two genders also exhibited consistent preference toward different tree forms. Their emotional experiences of most tree forms either differed nonsignificantly, or differed significantly only in the degree of reaction but remained consistent in regard to their preferences. Nevertheless, comparing the psychological experiences of the two genders revealed that greater differences were observed in tree forms than in landscape types. Therefore, the application of tree forms should not overlook gender-related factors. The difference in professional training produced slightly different psychological perceptions regarding landscape. This difference was observed even among participants from the domains of urban administration, architecture, and landscape design, despite these domains all being related to environmental design. This indicated the effect of education on perceptions and cognitions. Therefore, the difference in the psychological perception of landscape between individuals from Taiwan and Mainland China can probably be attributed to the two regions’ difference in landscape education and cultural background. Regarding physiological effects, this study examined six tree forms observed from a close distance and revealed nonsignificant differences in the electroencephalographical indices of participants viewing these tree forms. However, a short visual contact (10 seconds) with the umbrella-shaped tree elicited a stronger emotion compared with other tree forms. Heart rate variability analysis showed that the crown-shaped tree form caused excitement in the participants, whereas the tower-shaped tree form caused them to relax. This indicated that different tree forms evoked different physiological reactions. Comparing with the psychological effects, the participants noted that the umbrella-shaped tree elicited a sense of loveliness, vividness, activity, and irritation, which were consistent with their electroencephalographical responses. Analyzing the heart rate variability of the participants showed that the crown-shaped tree evoked an excited emotion, which was consistent with their psychological reaction, causing them to experience a sense of vividness and activeness. Physiological analysis revealed that most of the tree forms caused the participants to demonstrate a pacified reaction, in particular the tower-shaped and elliptical tree forms, which evoked in the participants an emotional experience of feeling dull, solemn, or listlessly. This indicated that the different tree forms exerted a consistent physiological and psychological effect on the viewers. The results of this study can serve a reference for environmental and landscape design. For example, a community mainly resided by older adults requires an amiable environment that can also evoke a sense of activity and vividness. Therefore, such a community can plant oval and umbrella-shaped trees. A sports ground requires an active, irritant environment; hence, umbrella-shaped and conical trees can be planted. A hospital requires a peaceful environment that need also evoke an active sense; hence, it can plant round, oval and crown-shaped tree. Palm, tower-shaped and elliptical trees should be applied with caution because they can elicit a sense of dull and listlessness. This study employed pairs of adjectives with opposite semantic implications to directly measure people’s emotional experiences regarding different tree forms and obtain results differing from previous studies, which have mostly classified adjectives and attempted to use generalized adjectives to describe such experiences. Using generalized adjectives can overlook the differences between emotional experiences. The results of this study verified that each tree form was associated with multiple emotional experiences, and these experiences changed with the viewing distance. Therefore, tree forms must be applied with caution when creating environmental designs.
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