Isithombe: Abasebenzisi beClaineine babonisa umsebenzi ophansi kwi-cortex ye-orbitofrontal medial
Abasebenzisa i-cocaine njalo banenkinga yokuzwela abanye ubuzwe futhi babonisa ukuziphatha okuncane. Ucwaningo olwenziwe kwi-Psychiatric Hospital laseYunivesithi yaseZurich lisikisela manje ukuthi abasebenzisi be-cocaine banezinsizakalo zenhlalo ngoba oxhumana nabo bezenhlalakahle abazuzi mnandi kubo. Ngakho-ke amakhono ezomphakathi kufanele aqeqeshelwe ngenkathi ekwelapheni uketshezi lwe-cocaine.
Kuphenyo lwabo lwamanje olukhishwe ku Izinqubo ze-National Academy of Sciences, izazi zengqondo u-Katrin Preller und Boris Quednow, iNhloko yeCandelo loCwaningo kanye neMtholampiloPharmacopsychology esikhungweni se-Psychiatric of the University of Zurich, siphetha ngokuthi ukuxhumana komphakathi Amakhono abasebenzisi be-cocaine angachazwa ngempendulo ephikisayo kumvuzo womphakathi.
Ukusebenzisana kwezenhlalakahle akujabulisi kakhulu
Ithimba labacwaningi likhombisile ukuthi abasebenzisi be-cocaine babona ukuthi bahlanganyele ukunakwa - ukugxila okwabelwana ngakho kwabantu ababili entweni ngemuva kokuxhumana ngokubuka - njengokuzuzisa okuncane uma kuqhathaniswa nokulawulwa okunempilo kwezidakamizwa. Ekuhlolweni okulandelayo kokusebenza kwe-imaging bakhombisile ukuthi abasebenzisi be-cocaine bakhombise ukwenziwa okufiphele kwengxenye ebaluleke kakhulu yohlelo lokuvuza - okuthiwa i-medial orbitofrontal cortex - phakathi nalolu hlobo oluyisisekelo lokuxhumana komphakathi. Kuyathakazelisa ukuthi ukwenziwa buthakathaka kwe-medial orbitofrontal cortex ngesikhathi sokuxhumana ngokubuka komphakathi nakho kwahlotshaniswa nokuxhumana okumbalwa komphakathi emasontweni adlule. UQuednow uyachaza: "Abasebenzisi beCocaine babona ukushintshana kwezenhlalo njengokuncane futhi kunomvuzo uma kuqhathaniswa nabantu abangasebenzisi lesi sikhuthazi".
Njengoba kuhlongozwa ngu-Preller no-Quednow, lezo zinguquko zomsebenzi wobuchopho zingasiza ukuchaza ukuthi kungani zithembele abasebenzisi be-cocaine bavame ukwehluleka ukuyeka ukusebenzisa izidakamizwa yize kwenzeka imiphumela emibi yezenhlalo njengezinkinga zomndeni, ukulahleka kwabangane noma umsebenzi. Ukwehliswa komvuzo ngesikhathi sokuhlangana komphakathi kungahle kuchaze nokuthi kungani abantu abaningi abathembele ku-cocaine bexegisa oxhumana nabo abasebenza nabo phakathi nomsebenzi wabo wezidakamizwa, okungenzeka ukuthi kube nomthelela omkhulu ekugcineni ukulutha. Njengoba kunikezwe ukuthi umvuzo wezenhlalo ubalulekile ekwelashweni kwengqondo okuphumelelayo, u-Preller noQuednow basikisela lokhu: ukuziphatha okuqhubekayo, kufanele aqeqeshelwe ngesikhathi sokwelashwa ukuxhomeka kwe-cocaine ukuthuthukisa ukusebenza kahle nokusimama kokwelashwa ”.
Ukwaziswa okwengeziwe: U-Katrin H. Preller, uMarcus Herdener, uLeonhard Schilbach, uPhilip Stämpfli, uLea M. Hulka, uMathias Vonmoos, uNina Ingold, uKai Vogeley, uPhilip N. Tobler, u-Erich Seifritz noBoris B. Quednow. Izinguquko ezisebenzayo zesistimu yokuvuza zifaka impendulo engafanele ekubhekeni komphakathi kubasebenzisi be-cocaine. I-PNAS. Januwari 20, 2014. I-DOI: 10.1073 / pnas.1317090111
I-Journal reference: Izinqubo ze-National Academy of Sciences