Koetliso ea Bokooa e Eketsa Phekoloho ea Dopamine (2011)

LIPOTSO: Ho bonahala eka koetliso ea ho hopola lintlha e sebetsang e ka eketsa dopamine le frontort cortex. Ka bobeli li hana ho lemalla.

La 5 Phato, 2011 ho Psychology & Psychiatry

Hoa tsebahala hore koetliso e ka ntlafatsa mohopolo oa ho sebetsa. Phuputsong e ncha ho Saense, bafuputsi ba Karolinska Institutet, Univesithi ea Umeå, Univesithi ea Åbo Akademi, le Univesithi ea Turku ba bontša ka lekhetlo la pele hore koetliso ea ho hopola lintho e amana le tokollo e eketsehang ea "dopamine" ea neurotransmitter libakeng tse ikhethang tsa boko.

Lars Bäckman, Moprofesa oa Karolinska Institutet, le e mong oa bo-rasaense ba ileng ba etsa lipatlisiso, o re: "Koetliso ea ho hopola ho sebetsa e ile ea baka ho eketseha ha dopamine ho caudate, sebaka se ka tlase ho neocortex, moo tšubuhlellano ea dopaminergic e leng kholo haholo". "Tlhaloso ena e bontša bohlokoa ba dopamine bakeng sa ho ntlafatsa ts'ebetso ea mohopolo oa ho sebetsa."

Thutong eo, bahlankana ba 10 ba Mafinnishe ba ile ba koetlisetsoa ho ntlafatsa mohopolo oa ho sebetsa ka libeke tse hlano ka mosebetsi oa ho ngola mangolo. Barupeluoa ba ile ba hlahisoa ka 7 ho litlhaku tsa 15 nakong ea metsotso ea 45 makhetlo a mararo ka beke skrineng se neng se koetsoe kamora tlhahiso. Mosebetsi e ne e le ho hopola litlhaku tse 'ne tsa ho qetela ka tatellano e nepahetseng. (Lenaneo la koetliso le ka fumaneha marang-rang, bona sehokelo ho ea tlase tlase)

Ha ho bapisoa le sehlopha sa taolo se sa fumaneng koetliso, sehlopha se koetlisitsoeng se bonts'itse ntlafatso ea butle-butle ea ts'ebetso ea memori e sebetsang. Liphetho tse tsoang ho patalo ea PET li bonts'itse phallo e eketsehileng ea dopamine ho caudate kamora boikoetliso. Ntle le moo, ho lokolloa ha dopamine ho ile ha bonoa nakong ea mosebetsi oa memori ea lengolo hape pele ho thupelo; tokollo ena e ile ea eketseha haholo ka mor'a koetliso.

Ntle le moo, lintlafatso kamora thupelo li bonts'itsoe mosebetsing o sa rutoang o hlokang ho ntlafatsoa hape.

"Liphuputso tsena li fana ka maikutlo a hore koetliso e ntlafalitse mohopolo oa ho sebetsa ka kakaretso", ho bolela Moprofesa Lars Nyberg Univesithing ea Umeå.

E fanoe ke Karolinska Institutet