Thomas Brandon J, Riley Michael A
Department of Psychology, Center for Cognition, Action, and Perception.
J Exp Psychol Hum Percept Perform. 2014 Dec;40(6):2361-71. doi: 10.1037/xhp0000015. Epub 2014 Nov 3.
Ecological psychology suggests the environment is experienced by perceivers in terms of their ability to behave within it-or their affordances. The authors used the remembered-affordance paradigm to evaluate this claim in contrast to an additive model that combined lower-order, action-neutral, perceived properties of the perceiver and environment to compute an affordance. In 2 experiments, participants reported the boundary between actions that were or were not possible (overhead reaching in Experiments 1a and 1b, and minimum aperture pass-through-ability in Experiment 2) while using or not using an implement (a stick). They also reported the length of the implement independent of its use in any action. Reports of stick length were consistently different from action-relevant affordance reports, and the additive model was incapable of accounting for participants' affordance reports. The results are consistent with ecological psychology's claim that affordances are perceived directly and also with embodied and functional approaches to memory, which suggest that the environment is experienced in task-specific and action-relevant terms.
生态心理学认为,环境是由感知者根据其在其中的行为能力——即他们的可供性来体验的。与一种加法模型形成对比,作者使用记忆可供性范式来评估这一观点,该加法模型结合了感知者和环境的低阶、与动作无关的感知属性来计算可供性。在两项实验中,参与者报告了使用或不使用工具(一根棍子)时可行或不可行的动作之间的界限(实验1a和1b中的头顶够物,以及实验2中的最小孔径通过能力)。他们还报告了与任何动作使用无关的棍子长度。棍子长度的报告始终与与动作相关的可供性报告不同,并且加法模型无法解释参与者的可供性报告。这些结果与生态心理学的观点一致,即可供性是直接被感知的,也与记忆的具身和功能方法一致,这表明环境是以特定任务和与动作相关的方式被体验的。