aestho-physiology
/ˌiːsθə(ʊ)fɪzɪˈɒlədʒi/(also estho-physiology) Now historical and rare
noun
Herbert Spencer's name for: the study of the relationship between sensations or feelings and nervous processes.
Origin
Mid 19th century; earliest use found in The Ladies' Repository. From the stem of ancient Greek αἰσθάνεσθαι to perceive + -o- + physiology.