Plants affect physiological and psychological response in that, when plants are present, human beings they have no stress and they are more attentive more than when there are no plants.
Physiological response is termed as an automatic reaction which drives physical response to stimulus. For example, stress.
They respond to empathy and express of emotions in post stress communication.
Psychological responses are the reactions, symptoms, and signs which may lead to crisis or even to a traumatic event they respond to stimuli.