Mea Kākau: Eugene Taylor
Lā O Ka Hana: 16 Aukake 2021
HōʻAno Hou I Ka Lā: 12 Aukake 2025
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Camp Chat Q&A #3: Hut Insulation - First Aid - Fingernails - Languages - and more
Wikiō: Camp Chat Q&A #3: Hut Insulation - First Aid - Fingernails - Languages - and more

Anter

Wehewehe

ʻO ke oki ʻana i ka Synaptic kahi hana kūlohelohe e kū i ka lolo ma waena o ka wā kamaliʻi a me ka makua. I ka wā o keʻoki synaptic, hoʻopau ka lolo i nā synapses keu. ʻO nā synapses nā hanana lolo e hiki ai i nā neurons ke lawe i kahi uila a i ʻole kahi hōʻailona kemika i kekahi neona.

Manaʻo ʻia ka ʻoki ʻana o Synaptic i ke ala o ka lolo e hemo ai i nā pilina i ka lolo ʻaʻole pono hou ʻia. Ua aʻo koke nā kānaka noiʻi ʻoi aku ka nui o ka lolo i ka "palekiko" a hiki ke hana ʻia ma mua o ka mea i manaʻo mua ʻia. ʻO ka ʻoki ʻana o Synaptic ke ʻano o ko mākou kino o ka mālama ʻana i ka hana o ka lolo e like me ko mākou ʻelemakule a aʻo i ka ʻike paʻakikī hou.

E like me ka mea hou aʻe e aʻo ai e pili ana i ka prapt synaptic, noʻonoʻo nui nā mea noiʻi inā aia kahi loulou ma waena o ka prapt synaptic a me ka hoʻomaka ʻana o kekahi mau maʻi, e like me schizophrenia a me autism.

Pehea e hana ai i ka ʻokiʻoki synaptic?

I ka wā kamaliʻi, ʻike ka lolo i kahi ulu nui. Aia kekahi pahū o ka hoʻokumu synaps ma waena o nā neurons i ka ulu mua ʻana o ka lolo. Kapa ʻia kēia ʻo synaptogenesis.


He mea nui kēia wā wikiwiki o ka synaptogenesis i ke aʻo ʻana, ka hoʻokumu ʻana i ka hoʻomanaʻo, a me ka hoʻololi ʻana i ka wā mua o ke ola. Ma kahi o 2 a 3 mau makahiki o ka makahiki, kū ka helu o nā synapses i kahi pae kiʻekiʻe. Akā ma hope koke iho o kēia manawa o ka ulu synaptic, hoʻomaka ka lolo e wehe i nā synapses e pono ʻole ai.

Ke hana ka lolo i kahi synaps, hiki ke hoʻoikaika a nāwaliwali paha. Aia kēia i ka manawa pinepine e hoʻohana ai i ka synaps. I nā huaʻōlelo ʻē aʻe, hāhai ke kaʻina hana i ke kumu "hoʻohana ia a nalowale iā ia": hoʻoikaika ʻia nā Synapses i ʻoi aku ka ikaika o ka hana, a hoʻonāwaliwali ʻia nā synapses e ʻoi aku ka liʻiliʻi. ʻO ke kaʻina hana o ka hemo ʻana i nā synapses pili ʻole i kēia manawa i kapa ʻia he pruning synaptic.

Hoʻohuli nui ʻia ke kuʻi synaptic mua e kā mākou gen. Ma hope aku, hoʻokumu ʻia ia i kā mākou ʻike. I nā huaʻōlelo ʻē aʻe, inā e ʻokiʻoki ʻia kahi synaps ʻaʻole e hoʻohuli ʻia e nā ʻike i loaʻa i kahi keiki e ulu ana me ka honua a puni lākou. Hoʻoulu ka stimulus i nā synapses e ulu a paʻa mau. Akā inā loaʻa i kahi keiki ka hoʻonāukiuki liʻiliʻi e mālama ka lolo i ka hapa liʻiliʻi o kēlā mau pilina.


I ka manawa hea e ʻoki ai i ka synaptic pruning?

Hoʻololi ka manawa o ka ʻokiʻoki synaptic e ka ʻāpana lolo. Hoʻomaka mua kahi pruning synaptic i ka ulu mua ʻana, akā ʻo ka ʻoki ʻoi loa ʻana ma waena o 2 a 16 mau makahiki.

ʻO ke kahua embryonic mua i 2 mau makahiki

Hoʻomaka ka ulu ʻana o ka lolo ma ka embryo i kekahi mau pule ma hope o ka hapai ʻana. I ka hiku o ka malama o ka hāpai keiki, hoʻomaka ka ʻōpū e hoʻopuka i kāna mau nalu o ka lolo. Hoʻokumu ʻia nā neurons hou a me nā synapses e ka lolo ma kahi kiʻekiʻe kiʻekiʻe loa i kēia manawa.

I ka makahiki mua o ke ola, ulu ka nui o nā synapses i ka lolo o kahi pēpē ma mua o tenfold. I ka makahiki 2 a i ʻole 3, aia ma kahi keiki he 15,000 mau synapses ma ke neuron.

I ke kino o ka lolo (ka ʻaoʻao kuleana no ka hihiʻo), hana ka hana synaps i kona piko ma kahi o 8 mau makahiki o ka makahiki. I ka mua o ka helu kihi, kū nā pae kiʻekiʻe o nā synapses i kekahi manawa i ka makahiki mua o ke ola. Hoʻohana ʻia kēia ʻāpana o ka lolo no nā ʻano hana laulā, e like me ka hoʻolālā a me ke ʻano.


Nā makahiki 2 a 10 mau makahiki

I ka makahiki ʻelua o ke ola, hāʻule nui ka helu o nā synapses. Hiki wawe ka ʻoki ʻana o Synaptic ma waena o nā makahiki 2 a me 10. I kēia manawa, hoʻopau ʻia ma kahi o 50 pākēneka o nā synapses keu. I ka pona ʻike, hoʻomau ka ʻoki ʻana a hiki i kahi o 6 mau makahiki.

ʻŌpio

Ke hoʻomau nei ka ʻoki ʻana o Synaptic ma o ka ʻōpio, akā ʻaʻole wikiwiki e like me ma mua. Hoʻomaka ka huina helu o nā synapses e hoʻopaʻa.

ʻOiai ua noʻonoʻo ka poʻe noiʻi ua ʻoki wale ka lolo i nā synapses a hiki i ka wā ʻōpio, ua ʻike ka poʻe holomua i ka wā ʻokiʻoki ʻelua i ka wā o ka wā ʻōpio.

Mākua makua

Wahi a nā noiʻi hou, hoʻomau ka hoʻomau ʻana i ka synaptic pruning i ka wā ʻōpio a kū i kekahi mau manawa i ka hopena o 20.

ʻO ka mea e ʻoliʻoli ai, i kēia manawa ke kuʻi nui ʻia i ka preexal cortex o ka lolo, ʻo ia ka ʻāpana o ka lolo i pili nui i nā hana hoʻoholo, ka hoʻomohala ʻana i ka pilikino, a me ka noʻonoʻo loiloi.

Hōʻike ka ʻoki synaptic i ka hoʻomaka ʻana o schizophrenia?

ʻO ka noiʻi e nānā i ka pilina ma waena o ka prapt synaptic a me schizophrenia aia nō i ka wā mua. ʻO ke kumumanaʻo ʻo nā schizophrenic lolo i "over-pruned", a ʻo kēia pruning over-prung e kumu ʻia e nā mutation genetic e hoʻopili i ke kaʻina pruning synaptic.

ʻO kahi laʻana, i ka nānā ʻana o nā kānaka noiʻi i nā kiʻi o ka lolo o ka poʻe me nā maʻi noʻonoʻo, e like me schizophrenia, ua ʻike lākou he hapa liʻiliʻi nā synapses o ka poʻe me ka noʻonoʻo ma ka ʻāina ma mua e hoʻohālikelike ʻia me ka lolo o ka poʻe me ka maʻi noʻonoʻo ʻole.

A laila, ua kālailai ʻia kahi kiko o ka lolo ma hope o ka mortem a me ka DNA mai ka ʻoi aku ma mua o 100,000 mau kānaka a ʻike ʻia he ʻano ʻokoʻa kikoʻī kā ka poʻe me ka schizophrenia e pili pū ana me ka hoʻonui o ke kaʻina o ka prapt synaptic.

Pono e noiʻi hou e hōʻoia i ke kuhiakau e pili ana ka pruning synaptic abnormal i ka schizophrenia. ʻOiai lōʻihi loa kēia, hiki i ka prapt synaptic ke hōʻike i kahi pahuhopu hoihoi no nā lapaʻau no ka poʻe me nā maʻi noʻonoʻo.

Pili ka ʻoki synaptic me ka autism?

ʻAʻole nō i kuhikuhi nā kānaka ʻepekema i ke kumu o ka autism. Maliʻa paha he nui nā mea i ka pāʻani, akā i kēia mau lā, ua hōʻike ka noiʻi i kahi loulou ma waena o ka hoʻololi ʻana i kekahi mau ʻano e pili ana i ka hana synaptic a me nā maʻi autism (ASD).

ʻAʻole like me ka noiʻi ʻana i ka schizophrenia, kahi i manaʻo ʻia he "nui-pruned" ka lolo, "kuhi ka poʻe noiʻi he" under-pruned "nā lolo o ka poʻe me ka autism. No laila, ʻo ke kumu, a laila, alakaʻi kēia under-pruning i kahi overupply o synapses i kekahi mau ʻāpana o ka lolo.

No ka hoʻāʻo ʻana i kēia kuhiakau, ua nānā ka poʻe noiʻi i ka lolo o 13 mau keiki a me nā ʻōpio me ka ʻole o ka autism i hala ma waena o nā makahiki 2 a me 20. Ua ʻike nā ʻepekema he nui nā synapses o ka lolo o ka poʻe ʻōpio me ka autism ma mua o ka lolo o nā ʻōpio neurotypical. . ʻO nā keiki ʻōpio i nā hui ʻelua he like like ka nui o nā synapses. Hōʻike kēia i ke ʻano o ke ʻano i ka wā o ka ʻoki ʻana. Hōʻike kēia noiʻi i kahi ʻokoʻa i nā synapses, akā ʻaʻole inā he kumu a hopena paha kēia autism, a i ʻole he hui wale nō.

Hiki i kēia kumumanaʻo ma lalo o ka ʻoki ʻana ke kōkua i ka wehewehe ʻana i kekahi o nā ʻōuli maʻamau o ka autism, e like me ka nui o ke kani, nā kukui, a me nā ʻike kaiaulu, a me ka hopu ʻana i ka maʻi epileptic. Inā nui nā synapses e kī pū nei i ka manawa hoʻokahi, e ʻike paha kekahi kanaka me ka autism i ka nui o ke kani ma mua o ka pane maikaʻi ʻana o ka lolo.

Hoʻohui ʻia, ua hoʻopili ka noiʻi i hala autism me nā mutation i nā genes e hana ma kahi protein i ʻike ʻia ʻo mTOR kinase. Ua loaʻa nā nui o mTOR overactive i ka lolo o nā mea maʻi autism. ʻO ka hana nui i ke ala mTOR i hōʻike ʻia e pili ana me ka hana ʻana i nā synapses. Ua ʻike ʻia hoʻokahi noiʻi ua ʻino nāʻiole me mTOR overactive i kā lākou prapt synaptic a hōʻike i nā ʻano nohona ASD-like.

Ma hea e huli ai ka noiʻi ʻana e pili ana i ka prapt synaptic?

ʻO ka paukū Synaptic kahi mea nui o ka ulu ʻana o ka lolo. I ka hemo ʻana i nā synapses i hoʻohana ʻole ʻia, e lilo ka lolo i mea ʻoi aku kou ʻelemakule.

I kēia lā, huki ka hapanui o nā manaʻo e pili ana i ka hoʻomohala ʻana o ka lolo kanaka i kēia manaʻo o ka plasticity lolo. Ke nānā nei nā mea noiʻi i kēia manawa i nā ala e kaohi ai i ka ʻoki ʻana me nā lāʻau a i ʻole ke ʻano hoʻomōhala hoʻomōhala. Ke nānā nei hoʻi lākou i ka pehea e hoʻohana ai i kēia ʻike hou o ka prapt synaptic e hoʻomaikaʻi ai i ke aʻo ʻana kamaliʻi. Ke aʻo pū nei nā mea noiʻi i ke ʻano o ke kinona o ka synapses i nā kīnā o ka noʻonoʻo.

ʻO ke kaʻina hana o ka ʻokiʻoki synaptic he pahuhopu hoʻohiki paha ia no nā lāʻau lapaʻau no ka poʻe me nā ʻano e like me schizophrenia a me autism. Eia nō naʻe, ke hoʻomau nei ka noiʻi ʻana i nā pae mua.

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