Izicwangciso zonyango oluchanekileyo zoNyango zinganceda
Abasetyhini benza malunga nesinye kwisithathu sabo bonke abasebenzisi be-cocaine eUnited States kwaye banokungafani nabahlukumezi be-cocaine ngeendlela eziliqela.
Uphando lubonisa ukuba abasetyhini abaxhomekeke kwi-cocaine bafuna ukuvuselelwa iziyobisi ngezizathu ezahlukeneyo kunamadoda, bayasabela unyango ngokuhlukileyo kwaye ubuchopho babo buyasabela ngokungafaniyo nokukhanga i-cocaine.
Ukusebenzisa iteknoloji ye-PET (positron emission tomography) yokukhangela, i-Emory University School of Medicine isayensi ifumene ukuba abafazi abaxhomekeke kwi-cocaine bafumana impendulo kwingqondo eyahlukileyo kubantu.
Ujikelezo lwegazi lwe-Cerebral, olubonisa umsebenzi we-neural engqondweni, utshintshe ngokungafaniyo kwabesetyhini abanomlutha kwi-cocaine kunokuba amadoda axhomekeke kwi-cocaine, isifundo sifumane.
Ngenxa yezi zizathu, abaphandi bakholelwa ukuba izicwangciso zonyango ngokuphathelele ukusetyenziswa kakubi kwe-cocaine zingasebenza ngakumbi.
UkuChengisa iMichiza kunye neengingqi zeBongo
UDkt. Clinton Kilts kunye noogxa bakhe bahlola ukuhamba kwegazi ezinxulumene nokukhwela izidakamizwa kwiibhozo zabasetyhini abazinqabileyo, abaqhathanisa i-cocaine kunye nokuthelekisa loo miphumo kwiisampuli kwii-8 ezihambelana ne-cocaine-craving men.
Abaphandi basebenzisa inqaku elingu-minute elichaza ukusetyenziswa kwecocaine eyadlulileyo ukukhupha i-cocaine inqwenela kubathathi-nxaxheba. Abaphandi benza i-PET imifanekiso yobungqina bathathi-nxaxheba njengoko bephulaphule amabali asebenzisa izidakamizwa kwaye xa beva amava angathathi hlangothi.
Iimvakalelo, ukuCognition ezichaphazelekayo
Ngokombiko we-NIDA, "abaphandi bafumanisa ukuba ukukhanga okufunyenwe ukukhangela kwakunxulumene nokusebenza okukhulu kwe-sulcus ne-frontal cortex kubasetyhini, kunye nokusetyenziswa kancinci kwe-amygdala, i-insula, i-orbitofrontal cortex.
Bobabini nababhinqa babonisa ukusebenziselwa kwe- nucleus ehlangene . "
"Mhlawumbi into ephawulekayo yinto eyenziwa yi-neural activity eyenziwa kwiimygdalas zezifundo zokufunda; abafazi bafumana ukunciphisa okuphawulekayo kwintsebenzo, ngokuchasene nokunyuka okwenziwe kumadoda," kusho ingxelo.
I-amygdala ibandakanyeka ekulawuleni ukuziphatha kwentlalo kunye nesondo kunye neemvakalelo.
Ezinye iindawo ezinxulumene nengqondo zibandakanyeka kumvakalelo kunye nokuqonda.
Imida yoFundo
Abaphengululi be-Emory bathi ukufundiswa kwabo kunemiqathango ebandakanya ubungakanani besampula esincinci kunye nokubandakanywa kwabathathi-nxaxheba bezifundo ezimbini zabasetyhini abangengoku kwiinkqubo zonyango zonyango .
Nangona abaphandi bevumile ukuba izigqibo ezihambelana nokuchasana kwintlupheko yesini-ukuchithwa kwezidakamizwa ezinxulumene nokuxhomekeka kwe-cocaine kufuneka kuthathelwe ingqalelo njengento yokuqala, bacinga ukuba ukungafani okufunyenweyo kwisifundo kunokunika inkxaso yokuphuhliswa kweendlela ezifanelekileyo zokuphatha kakubi iziyobisi.
Iimetaboli, Ukungafani kokungafani
Olunye uphando lufumene ulwahlulo lwe-biological ngendlela i-cocaine echithwe ngayo kwaye isetyenziswe ngamadoda kunye nabasetyhini, ngoko ke kuthinta amadoda kunye nabasetyhini ngokwahlukileyo.
Olunye uphando lwafumanisa ukuba ukungafani kwesini kwiimpembelelo ze-cocaine kubangelwa ukudibanisa ukungafani kwemitha kunye nomqobo omkhulu wokunqunyulwa kwe-cocaine eyenziwe ukunyuka kwe-mucus kwiindinyana zomzimba ezibangelwa ukutshintsha kwe-hormone.
Olu cwaningo luye lwacebisa ukuba izicwangciso zonyango zokusetyenziswa kakubi kwe-cocaine kufuneka zihluke kubafazi kunye namadoda.
Imithombo:
I-Kilts, i-CD, kunye ne-al. "I-Neural Correlates ye-Cue-In-Craving Craving kwi-Women's Dependent-Will." I-American Journal ye-Psychiatry ngoFebruwari 2004
Isizwe seSizwe sokuLawulwa kweziyobisi. "I-Cocaine ithinta amadoda kunye nabafazi ngokuhlukileyo." Imibuzo yeNIDA kaJanuwari 1999