Amygdala tana gano rashin jin daɗi a cikin halayen ɗan adam
Amygdala tana gano rashin jin daɗi a cikin halayen ɗan adam
Anonim

Mawaƙin piano yana kunna waƙar da ba a san shi ba kyauta ba tare da karantawa daga makin kida ba. Ta yaya kwakwalwar mai sauraro zata gane idan an inganta wannan waƙar ko kuma idan an haddace ta? Masu bincike a Cibiyar Max Planck don Fahimtar Dan Adam da Kimiyyar Kwakwalwa a Leipzig sun binciki mawakan jazz don gano waɗanne sassan kwakwalwa ne musamman ke kula da fasalulluka na inganta ɗabi'a. Daga cikin waɗannan akwai amygdala da cibiyar sadarwa na wuraren da aka sani suna da hannu a cikin kwaikwaiyon hankali na ɗabi'a. Bugu da ƙari, ikon gane haɓakawa daidai ba kawai yana da alaƙa da ƙwarewar kiɗan mai sauraro ba har ma da ikonsa na ɗaukar hangen nesa na wani.

Ƙarfin nuna bambanci ba tare da bata lokaci ba daga halin da aka tsara (sake maimaitawa) yana da mahimmanci yayin ƙaddamar da nufin wasu a cikin al'amuran yau da kullum, alal misali, lokacin yanke hukunci ko an ƙididdige halin wani kuma an yi nufin yaudara. Don bincika irin waɗannan mahimman hanyoyin damar zamantakewar al'umma a cikin saitunan sarrafawa, Peter Keller, shugaban ƙungiyar bincike "Cognition Music and Action" a Cibiyar Max Planck don Fahimtar Dan Adam da Kimiyyar Kwakwalwa, Leipzig da abokin bincikensa Annerose Engel sun bincika ƙungiyar taurarin kiɗan. kama daga solos da duos zuwa manyan mawakan kida. A wani bincike na baya-bayan nan, sun binciki ayyukan kwakwalwar mawakan jazz yayin da wadannan mawakan ke sauraren gajerun sassan karin wakoki na ingantattu ko kuma sake maimaita nau'ikan karin wakoki iri daya. Masu saurare sun yanke hukunci ko kowane ya ji waƙar an inganta shi.

"Ingantattun kiɗan sun fi bambanta a cikin ƙararsu da lokacinsu, mai yuwuwa saboda rashin daidaituwa a cikin ikon sarrafa ƙarfi da ke da alaƙa da sauye-sauyen tabbatattu game da ayyuka masu zuwa-watau, lokacin yanke shawarar abin da za a yi ba tare da bata lokaci ba", in ji Peter Keller. Amygdala, wani ɓangare na tsarin limbic, ya kasance mafi aiki yayin sauraren haɓakawa na gaske kuma yana kula da sautuka na ƙara da lokaci a cikin karin waƙa. Don haka, amygdala yana da alama yana da hannu wajen gano halayen da ba a so ba, wanda ya yi daidai da nazarin da ke nuna shigar da wannan tsarin lokacin da abubuwan da ke da wuyar tsinkaya, labari ko rashin fahimta a cikin ma'anarsu.

Idan an yi la'akari da waƙar kamar an inganta shi, ko da kuwa ko da gaske haka lamarin yake, an sami aiki mai ƙarfi a cikin hanyar sadarwa wanda aka sani yana da hannu a cikin simintin ayyukan. Wannan hanyar sadarwa ta ƙunshi operculum na gaba, yankin da aka riga aka ƙara da kuma insula na gaba.

"Mun san a yau cewa yayin fahimtar ayyuka, sassan kwakwalwa iri ɗaya suna aiki kamar lokacin aiwatar da wannan aikin", in ji Annerose Engel. "Wannan yana goyan bayan kimanta halayen wasu don samar da tsammanin da kuma hasashen halayen nan gaba." Idan an ɗauki waƙar a matsayin mafi wahalar tsinkaya, alal misali, saboda sauyin ƙara da lokaci, aiki mai ƙarfi yana iya fitowa a cikin wannan cibiyar sadarwa ta musamman.

Wani ƙarin abin lura da masu binciken suka yi na iya kasancewa da alaƙa da wannan: Ba kawai ƙwarewar kiɗa ba har ma da ikon ɗaukar hangen nesa na wani ya taka muhimmiyar rawa wajen yin hukunci da rashin jin daɗi. Mawakan Jazz waɗanda suka fi sanin waƙa a cikin wasan piano da wasa da sauran mawaƙa, da kuma waɗanda suka fi bayyana kansu a matsayin ƙoƙarin sanya kansu cikin takalmin wani sun fi sanin ko waƙar ta inganta ko a'a.

Shahararren taken