
n170

n170 anedi mukhalu, suparichitamaina vastuvulu ledhaa padaala naadii prakriyanu pratibimbimchae sanghatana-sambandhita sambhaavyata (erp) loe oka bhaagam. inca, n170 anedi anchanaa lopam prakriyala dwara modulate cheyabadutundi.
mukhaala chitraala dwara prerepinchabadina sambhaavyatanu itara drushya uddeepanala dwara prerepinchina vaatitho polchinappudu, modatidi uddeepana pradarsana tarvaata pratikuulatanu 130-200 MS penchutundi. eee pratispandana asipito-temporal electrode sitelapy garishtamgaa untundi, idhi fusiform mariyu heena-temporal gyrie vadda unna muulaaniki anugunamgaa untundi, dheenini electrocarticography dhruveekarinchindi. n170 saadhaaranamgaa kudi-ardhagola paarsveekarananu pradarsistundi mariyu mukhaala nirmaanaatmaka encodingtho mudipadi untundi, anduvalla idhi pradhanamgaa mukhalaku sunnitamgaa pariganinchabadutundi. eejeetho kalipi transcronial magnetic stimulationnu upayoginchina oka adhyayanam, prefrontal cartex nundi paiki krindiki vachhe prabhaavaala dwara enn170నii modulate cheyavachani kanugondi.
charitra.
n170 nii modatisaarigaa 1996loe shlomo bentin mariyu sahacharulu varninchaaru, veeru paalgonevaaru mukhalu mariyu itara vastuvulanu chudatam nundi erpsnu kolicharu. jantuvula mukhalu, shareera bhagalu mariyu kaarlatho sahaa itara uddeepanala kante maanava mukhalu mariyu mukha bhagalu (kallu vantivi) vibhina pratispandanalanu pondutaayani vaaru kanugonnaru.
boatzel mariyu grassar chesina munupati pani mariyu 1989loe modatisaari nivedinchabadinadi, maanava mukhaala prosessingku anugunamgaa unna erp yokka oka bhaganni kanugonadaaniki kooda prayatninchindi. vaaru pariseelakulaku mukhalu, chetlu mariyu kurcheela line draayinglu (oka prayogamlo) mariyu nalupu-telupu chaayaachitraalanu (rendu adanapu prayogaalalo) chuupimchaaru. itara uddeepana taragatulato poliste, mukhalu praarambhamaina tarvaata sumaru 150 emm. ess. pedda saanukuula bhaganni velikiteesaayani vaaru kanugonnaru, idhi kendra electrode saitlalo (thala paibhagamlo) garishtamgaa untundi. eee prabhavam yokka sthalaakruthi mariyu paarsveekarana lekapovadam eee mukha-nirdishta sambhaavyata asypital-temporal praantamlooni mukha-empika praantaalalo udbhavinchaledani, badulugaa limbic vyavasthalo udbhavinchindani nirdhaaranaku daariteesindi. tadupari pani eee bhaganni vertex positive potential (vii. pii. pii) gaa suuchimchimdi.
eee rendu spashtamgaa viruddhamaina phalitaalanu sarichese prayatnamlo, joys mariyu rossian 53 scalp electrodela nundi erpsnu namodu chesaayi, ayithe paalgonevaaru mukhalu mariyu itara drushya uddeepanalanu chuusaaru. recording chesina taruvaata, vaaru mukku mariyu mastoid prakriyatho sahaa saadhaaranamgaa upayoginche aneka reference electrode saitlaku daetaanu tirigi suuchimchaaru. oke neural generatorla nundi utpannamayye oke dvidhruva amarika dwara n170 mariyu vpp lanu lekkinchavacchani vaaru kanugonnaru, anduvalla adhe prakriyanu pratibimbistumdi.
kriyaatmaka sunnitatvam.
n170 yokka atyanta adhyayanam cheyabadina moodu lakshanaalalo mukha vilomam, mukha jaathi mariyu bhavodvega vyakteekaranala yokka taarumaaru unnaayi.
idhi talakrindulugaa unna mukhalu (i.ii.talakrindulugaa pradarsinchabadina vaatini grahinchadam chaalaa kashtam (tadi prabhavam dheeniki manchi udaaharana). vaari mylurayi adhyayanamlo, bentin mariyu itarulu. talakrindulugaa unna mukhalu n170 bhaagam yokka japyanni penchaayani kanugonnaru. jaak luu mariyu sahacharulu mukha viloma prabhavam (phai) yokka kalakramanni anusarana namuunaanu upayoginchi marinta adhyayanam chesaaru. oke uddeepananu chalasarlu pradarsinchinappudu, neuronal pratispandana kalakramena taggutundi; vaerae uddeepananu pradarsinchinappudu, pratispandana tirigi vastundi. anusarana nundi vidudala" sambhavinche paristhitulu anduvalla uddeepana saaruupyatanu kolavadaniki oka marganni andistundi. vaari prayogamlo, jackwess mariyu itarulu. anusarana nundi vidudala chinnadigaa undani mariyu talakrindulugaa unna mukhalaku 30 emm. ess taruvaata sambhavistundani kanugonnaru, idhi talakrindulugaa unna mukhaala gurtimpunu gurtinchadaaniki neuronal janabha encoding mukha gurtimpuku adanapu prosessing samayam avasaramani suuchistumdi.
n170 yokka vaisaalyampai jaathi yokka prabhavalanu pariseelinchae oka prayogamlo, mukha vilomaalato kalipi "itara-jaathi prabhavam" bayatapadindani kanugonabadindi. vigioli mariyu sahacharulu oke jaathi (sr) ledhaa itara jaathi (ledhaa) chitraalanu proses chestunnappudu mukha gurtimpu balaheenata prabhavanni pariseelinchaaru. parisoedhanaa brundam vilomamlo drushya naipunhyam keelaka paatra poeshistumdanae aavarana aadhaaramgaa oka n170 prayogaanni roopondinchindi, sr faces (sampoorna prosessing) thoo veekshakula ekkuva sthaayi naipunhyam uddeepanalatoo ledhaa mukhamtho poliste balamaina feyini velikiteestundani oohinchindi. rachayitalu paschima caucasian mariyu thoorpu asea vishayaala (rendu ververu samuuhaalu) nundi eeglanu namodu chesaaru, vaariki paschima caucasian, thoorpu asea mariyu african america mukhaala chitraalu nitaruga mariyu viloma disalo pradarsinchabaddaayi. bahya lakshanaalanu tolaginchadaaniki mukhamlooni anni uddeepanalanu kattirinchaaru (i.ii. juttu, gaddam, topeelu modalainavi.). rendu samuuhaalu nitaruga unna oke jaathi (sr) mukhaala kante vilomamgaa pedda vaisaalyamtho (kudi ardhagolamlo) taruvaata enn170 nii pradarsinchaayi, conny photo uddeepanalaku ledhaa mariyu eah kosam viloma prabhavanni chuupaleedu. antekakunda, palgone rendu samoohaalalo nitaruga unna mukhalaku n170 yokka garishta vaisaalyaaniki sambandhinchi jaathi prabhavalu gamaninchabadaledu. phalitaalu kooda uddeepana jaatula madhya gananeeyamaina jaapyam thedaalanu kanugonaledu, conny mukha vilomam varusaga n170 vyaapti mariyu prarambhanni penchindi mariyu alasyam chesindi. uddeepana yea jaathi ayina, viloma mukhaalato vishayaala anubhavam lekapovadam atuvanti uddeepanalanu vaari praamaanika dhoranilo chuupina chitraala kante marinta kashtataram chestundani vaaru nirdhaarinchaaru.
vilomam mariyu jaathi dwara modulationtho paatu, bhavodvega vyakteekaranalu kooda n170 mukha parisoedhanaku kendramgaa unnaayi. rigart mariyu dii gelder nirvahinchina oka prayogamlo, arp phalitaalu bhayapette mariyu santoshakaramaina mukha kavalikala vargeekaranalu vishayaala dwara chesinappudu mukha prosessing yokka prarambha dasalu bhavodvega drushyaala dwara prabhaavitamavutaayani chuupistunnaayi. eee namoonaalo, sahaja drushyaala chitraalapai kendreekrutamgaa kappabadina santoshakaramaina ledhaa bhayapette mukhaala rangu chitraalanu prajalu chudavalasi untundi. mariyu rangu mariyu ardhaanni pattinchukune itara amsaalu vanti takkuva sthaayi lakshanaalanu niyantrinchadaaniki, chitram antataa pixels sthaanaanni yaadrucchikamgaa cheyadam dwara anni sannivesa chitraalanu scramble chesaaru. prayogam yokka tudi phalitaalu bhavodvega prabhavalu n170 thoo mudipadi unnayani chuupistunnaayi, dheenilo mukhalu santoshakaramaina ledhaa tatastha drushyaalalo unchinappudu bhayapette sandarbhamlo kanipinchinappudu vatiki pedda (pratikuula) vyaapti untundi. vaastavaaniki, edama osipito-temporal distributed n170 amplitudelu bhayapette sannivesamlo kanipinchinappudu chekkuchedarakunda unna bhayapette mukhalaku natakeeyamgaa perigayi, ayithe santoshakaramaina ledhaa tatastha drushyamlo bhayapette mukhanni pradarsinchinappudu sthaayilu antha ekkuvagaa laevu. chekkuchedarakunda unna santoshakaramaina mukhalaku sambandhinchi ilanti phalitaalu sambhavinchaayi, conny aaa vyaapti bhayapette drushyaalu ledhaa vyakteekaranalaku sambandhinchinanta ekkuvagaa ledhu. pani-sambandhita sanniveshaala nundi samacharam mukha kavalikala nundi samaachaaramtho vaegamgaa militam cheyabadindani, mariyu mukha kavalikalanu vivaksha/vargeekarinchaalsina avasaram vachinappudu prosessing prarambha dasalo sandarbha samacharanni upayogistaarani regart mariyu dii gelder nirdhaarinchaaru.
electrocarticogriphine upayoginchi fusiform faces area nundi direct neural recordinglanu upayoginchi maanava mariyu sahacharulu nirvahinchina adhyayanam nundi vacchina phalitaalu itara drushya chitraalato polchinappudu n170 mukhalaku chaalaa balamaina pratispandananu pradarsistundagaa, n170 mukham yokka gurtimpuku sunnitamgaa undadu. badulugaa, oka vyakti chustunna mukham 250-500 MS madhya kaaryaacharana nundi decode cheyavachani vaaru chuupimchaaru, gurtimpu prosessing n250 thoo praarambhamavutundane parikalpanaku anugunamgaa. eee phalitaalu mukhaala yokka saaraamsa-sthaayi prosessingku n170 mukhyamainadani suuchistunnaayi mariyu mukhanni gurtinchadam, eee prakriyalu taruvaata mukha vyaktigatataku vedikanu erpaatu cheyagalavu.
generatorlu.
maanavulu mukhalanu sulabhamgaa mariyu vaegamgaa gurtinchagalagadamto, medadu vaatini elaa mariyu ekkada proses chestundo ardham chesukovadaniki chaalaa neuroscientific parisoedhanalu prayatninchaayi. prosopagnosia ledhaa "faces blindness" paie prarambha parisoedhanaloo, osipito-temporal praantaaniki nashtam kaliginchadam valla prajalu mukhalanu gurtinchadamlo balaheenamgaa ledhaa puurtigaa asamarthataku daariteesindani kanugonnaru. mukha prakriyaloo eee praantam yokka praamukhyataku kalayika aadharalu fmri vadakam dwara vachayi, idhi fusiform gyrus yokka oka praantam, "fusiform faces area", mukhaala chitraalaku empikagaa pratispandinchindani kanugondi.
electrocarticogriphine upayoginche maanavulalo intracronial recordinglu fusiform faces area n170 yokka generatorlalo okati anie chaalaa balamaina sakshyalanu andistaayi, ayithe faces prosessing netvarkloni itara praantaalu kooda n170kii dohadam cheyavachu.
n170 yokka neural generator yokka sthaanaanni anchanaa vaeyadaaniki upayoginchina erp soars-localization paddhatulanu praarambhinchina n170 yokka parisoedhana. vaaru n170 anedi posterior superior temporal sulcus nundi udbhavinchindani nirdhaarinchaaru. ayithe, eee paddhatulu lopam yokka sambhaavya muulaalatoe nindi unnaayi, mariyu atuvanti phalitaala nundi teesukunna anumitula chellubaatupai asammati undhi.
mukhalu ledhaa interstimulus vaividhyam.
2007loe, gilloum theyari mariyu sahacharulu n170 yokka mukha-nirdishtatanu prasninchina sakshyalanu samarpinchaaru. chaalaa munupati prayogaalu mukhaala mundu veekshanhalaku pratispandananu marinta asthira bhangimalu mariyu aakruteekaranalalo kanipinche itara vastuvulatoe polchinappudu n170nii kanugonnayi. vaari adhyayanamlo, vaaru oka kotta karakanni pravesapettaaruh uddeepanalu mukhalu ledhaa mukhalu kaanivi kaavacchu, mariyu yea taragati ayina adhika ledhaa takkuva saaruupyatanu kaligi undavacchu. oke-varga uddeepanala jatalalo pixel viluvala madhya sahasambandhaanni lekkinchadam dwara saaruupyatanu kolustaaru. eee paristhitulaku erpsnu polchinappudu, vaaru takkuva-saaruupyata naan-faces verses loe oka vilakshanhamaina n170 prabhavanni kanugonnaru. adhika-saaruupyata mukha poolika. ayithe, adhika-saaruupyata laeni mukhalu gananeeyamaina n170 nuu choopinchagaa, takkuva-saaruupyata gala mukhalu choopinchaledu. eee phalitaalu rachayitalu n170 vaastavaaniki uddeepana saaruupyata yokka kolata anie, mariyu swayamgaa faces prosessing kaadani nirdhaarinchadaaniki daariteesaayi.
dheeniki pratispandanagaa, rssion mariyu jaaklu n170 yokka munupati adhyayanamlo upayoginchina aneka object ketagireelaku paina perkonna saaruupyatanu kolichayi. illu, kaarlu mariyu bootlu vanti saaruupya ledhaa adhika saaruupya viluvalu kaligina itara taragatula vastuvula kante mukhalu pedda n170 nuu velikiteesaayani vaaru kanugonnaru. ayithe, therry mariyu itarulu enduku anie anischitamgaa undhi. n170 paie saaruupyata prabhavanni gamaninchina rossian mariyu jaaklu takkuva saaruupyata pratispandana yokka jaapyamlo marinta vyatyaasaaniki daariteestundani oohinchaaru. aneka vyaktigata pareekshala phalitaalanu sagatuna anchanaa veyadam dwara erp bhaagaalanu kolustaaru kabatti, adhika jaapyam vaividhyam pratispandananu samarthavantamgaa "leputundi", sagatu yokka vaisaalyaanni taggistundi. rossian mariyu jaaklu theyari mariyu sahacharulu upayoginche paddatipai kooda vimarsalanu andistaayi, adhika-saaruupyata mukhalu mariyu adhika-saaruupyata laeni mukhaala madhya vyatyaasaanni kanugonadamlo vaari vaiphalyam electrode saitla paelavamaina empika kaaranamgaa undani vaadinchaaru.

