N'ihu. Okpukpe.

07 May 2020 | https://doi.org/10.3389/fpsyg.2020.00634
Bianca P. Acevedo, Michael J. Poulin, Nancy L. Collins na Lucy L. Brown

ABSTRACT

N’omenala Ọdịda Anyanwụ ,wa, ịhụnanya nwoke na nwanyị na-abụkarị ihe ndabere maka alụmdi na nwunye. Ọ bụ ezie na ejikọtara ya na afọ ojuju mmekọrịta, kwụsie ike, yana ọdịmma mmadụ, ọtụtụ di na nwunye na-ahụ mbadamba ịhụnanya ịhụnanya. N'alụmdi na nwunye ọhụrụ, ọkachasị, mgbanwe n'ịhụnanya na-ebu amụma ihe ga-esi n'alụmdi na nwunye pụta. Agbanyeghị, amabeghị usoro ndu sitere na mgbanwe dị oke mkpa na alụmdi na nwunye. Ya mere, na nke mbụ, anyị nyochara njikọ ịhụnanya na mkpụrụ ndụ ihe nketa nke ịhụnanya nwoke na nwanyị lụrụ di na nwunye ọhụrụ. A na-enyocha ndị lụrụ di na nwunye iri na itoolu (nke MRI na-arụ ọrụ) ka ha na-elele ihe osise nke onye ọlụlụ na onye ọ maara nke ọma, n'oge agbamakwụkwọ (T1) na 1 afọ mgbe (T2) gasịrị Ha nyekwara onu mmiri maka nyocha mkpụrụ ndụ (AKPA Ochokoe OXTR Ochokoe COMT rs4680, na DRD4-7R), ma mezue nkwupụta nke onwe onye nke mmekọrịta dị mma gụnyere Eros (ịhụnanya ịhụnanya). Anyị kwubiri na ịhụnanya ihunanya bụ ụdị mepere emepe nke ụmụ anụmanụ na-achọ anụ, ma na-edebe, ndị kachasị amasị; nakwa na nlekọta ụgwọ ọrụ ya bụ ụgwọ ọrụ ụgwọ ụbụrụ. Nsonaazụ gosiri na, na oge abụọ, ịhụnanya ịhụnanya (mmezi Eros dị iche: T2-T1) jikọtara na ntinye nke dopamine-rich richtia nigra na nzaghachi ihu ihe oyiyi nke onye ọlụlụ. Mmekọrịta na vasopressin, oxytocin, na mkpụrụ ndụ ihe nketa dopamine nke metụtara njikọ-njikọ (AKPA Ochokoe OXTR Ochokoe COMT rs4680, na DRD4-7R) nyekwara aka ike na mpaghara dopamine nke nwere ọgaranya na dopamine na oge abụọ. N'ikwekọ na ọrụ na-egosipụta ọrụ nke mmekọrịta nwoke na nwanyị na mmekọrịta, mmekọrịta ịhụnanya ihunanya gosipụtara mmekọrịta na parabural lobule (akụkụ nwoke na nwanyị) yana mpaghara ebe a na-etinye aka na nhazi na ntụgharị uche (occipital, angular gyrus, insular cortex). Nchọpụta ndị a na-egosi na ịhụnanya ihunanya, yana mmezi ya, bụ mpaghara dopamine, vasopressin- na mpaghara ụbụrụ nwere ọgịga nke ikuku, dị ka a hụrụ na ụmụ mmadụ na anụmanụ ndị ọzọ monogamous. Anyị na-enyekwa ihe àmà mkpụrụ ndụ ihe nketa nke polymorphisms metụtara oxytocin, vasopressin na ọrụ dopamine nke na-emetụta ikike iji kwado ịhụnanya ịhụnanya na mbido alụmdi na nwunye. Anyị kwubiri na mmezi ịhụnanya ịhụnanya bụ akụkụ nke usoro anụ ọhịa sara mbara maka mmeputakwa na mgbakwunye ogologo oge nke ụgwọ ọrụ ụgwọ ọrụ, usoro nghọta dị mgbagwoju anya, na mkpụrụ ndụ ihe nketa na-emetụta.