Before revision: The latter concept, along with plant intelligence, can be traced to 1848, when Gustav Theodor Fechner, a German experimental psychologist, suggested that plants are capable of emotions, and that one could promote healthy growth with talk, attention, and affection.Michael Heidelberger Nature from within: Gustav Theodor Fechner and his psychophysical worldview 2004, p. 54 While plants, as living beings, can perceive and communicate physical stimuli and damage, they do not feel pain simply because of the lack of any pain receptors, nerves, and a brain .
After revision: , and, by extension, no consciousnessThe latter concept, along with plant intelligence, can be traced to 1848, when Gustav Theodor Fechner, a German experimental psychologist, suggested that plants are capable of emotions, and that one could promote healthy growth with talk, attention, and affection.Michael Heidelberger Nature from within: Gustav Theodor Fechner and his psychophysical worldview 2004, p. 54 While plants, as living beings, can perceive and communicate physical stimuli and damage, they do not feel pain simply because of the lack of any pain receptors, nerves, and a brain .