Pierre Marie Felix Janet (1859-1947) Katswiri wa zamaganizo wa ku France, katswiri wa zamaganizo ndi wafilosofi.
Anaphunzira ku Higher Normal School ndi yunivesite ya Paris, kenako anayamba kugwira ntchito ya psychopathology ku Le Havre. Anabwerera ku Paris mu 1890 ndipo adasankhidwa ndi Jean Martin Charcot kuti azitsogolera labotale ya zamaganizo pachipatala cha Salpêtrière. Mu 1902 (mpaka 1936) anakhala pulofesa wa psychology ku College de France.
Kupitiriza ntchito ya dokotala JM Charcot, iye anayamba maganizo maganizo neuroses, amene, malinga ndi Jean, zimachokera ku kuphwanya kupanga ntchito za chikumbumtima, kutaya bwino pakati apamwamba ndi m'munsi ntchito maganizo. Mosiyana ndi psychoanalysis, Janet amawona mikangano yamaganizo osati gwero la neuroses, koma maphunziro achiwiri okhudzana ndi kuphwanya ntchito zamaganizo. Gawo la chikomokere limachepetsedwa ndi iye ku mitundu yosavuta ya psychic automatisms.
Mu 20-30s. Janet adapanga chiphunzitso chodziwika bwino cha psychological potengera kumvetsetsa kwa psychology monga sayansi yamakhalidwe. Panthawi imodzimodziyo, mosiyana ndi khalidwe, Janet samachepetsa khalidwe kuzinthu zoyambirira, kuphatikizapo chidziwitso mu dongosolo la psychology. Janet amasungabe malingaliro ake pa psyche monga mphamvu yamagetsi yomwe imakhala ndi mikangano yambiri yomwe imagwirizana ndi zovuta zamaganizo awo. Pazifukwa izi, Janet adapanga machitidwe ovuta kwambiri amitundu yamakhalidwe kuchokera kumayendedwe osavuta kwambiri mpaka kuchita zanzeru zapamwamba. Janet akupanga njira ya mbiri yakale ya psyche yaumunthu, kutsindika chikhalidwe cha chikhalidwe; zotuluka zake ndi chifuniro, kukumbukira, kuganiza, kudziletsa. Janet amagwirizanitsa kutuluka kwa chinenero ndi kukula kwa kukumbukira ndi malingaliro okhudza nthawi. Kuganiza kumatengedwa ndi majini monga cholowa m'malo mwa zochita zenizeni, kugwira ntchito m'mawu amkati.
Anatcha lingaliro lake kuti psychology of behaviour, kutengera magulu awa:
- "ntchito"
- "ntchito"
- «Ntchito»
- "zoyambira, zapakati ndi zapamwamba"
- "Mphamvu zamatsenga"
- "kupsinjika maganizo"
- "Psychological levels"
- "Psychological Economy"
- "mental automatism"
- "Mphamvu zamatsenga"
M'malingaliro awa, Janet anafotokoza neurosis, psychasthenia, hysteria, kukumbukira zoopsa, ndi zina zotero, zomwe zimatanthauzidwa pamaziko a mgwirizano wa kusinthika kwa ntchito zamaganizo mu phylogenesis ndi ontogenesis.
Janet ntchito zikuphatikizapo:
- "Maganizo a odwala omwe ali ndi hysteria" (L'tat mental des hystriques, 1892)
- "Maganizo amakono a hysteria" (Matanthauzo ena aposachedwa a hysteria, 1907)
- "Psychological Healing" (Psychological Medications, 1919)
- "Psychological Medicine" (La mdicine psychologique, 1924) ndi mabuku ena ambiri ndi zolemba.