Brain Folds

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1

U¥l×L°p Uû\kÕs[ûY

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2

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]dÏ LQdÏ SpXô YWÔúU ...! Guß ú_ô£Vm ùNôpYÕúTôX G§¬p ¨tÏm ùTiûQl TôojÕ JÚ B£¬Vo áß¡\ôo. "GRùYf£ ùNôpÈeL Nôo? ' Gu\ôs ùTi. "Eu RûXúV Lôh¥d ùLôÓd¡\úR...' Gu¡\ôo AYo. RûXûVl TôojÕ §\ûUûV U§l©Ó¡\ôo AkR Yôj§Vôo. JÚ LôXj§p RûX (UiûP) AûUlûT ûYjÕ ÏQm, §\ûU B¡VYtû\d L¦dÏm ãÕA±®Vp NdûLlúTôÓ úTôhÓd ùLôi¥ÚkRÕ. ©Wôuv ú_ôNl Lôp (1800) Gu\ ù_oU²VoRôu CRu RkûR. CûR @©Ã]ôX´ (Phrenology) Guß AûZlTôoLs. RûXûVl TôojÕ CYo ˲Vv, CYo LûXOo, AYu úUôNdLôWu, §ÚPu, LôUôkRLu Guù\pXôm ϱ ùNôpÛm TZdLm AlúTô§ÚkRÕ.

U²R êû[«p ¨û\V U¥l×Ls CÚlTûRl Tôoj§ÚlÀoLs. U¥l×Ls ¨û\V CÚkRôp AYoLs ×j§Nô−L[ôL CÚlTôoLs GuTÕ A±®Vp I§Lm. JÚ SWm©Vp UÚjÕY¬Pm, L¦RúUûR Iuv¥²u êû[ûVÙm, NôRôWQ U²R²u êû[ûVÙm ùLôÓjRôp AYWôp GÕ Iuv¥àûPVÕ Guß LiÓ©¥dLúY Ø¥VôÕ. GpXô U²RÚdÏm A¥lTûPVô] êû[ U¥l×Ls CÚkúR ¾Úm. U¥l×L°u BZeL°p úYiÓU]ôp úYßTôÓLs LôQlTPXôm. êû[«u úUpTWl× NômTp ¨\j§p CÚlTRôp AûR NômTp TPXm (gray matter) GuTôoLs. ùYßm 2 ApXÕ 4 ªp−ÁhPo R¥UuRôu CÕ CÚdÏm. NômTp TPXj§p SWm× ùNpL°u

3 RûXlTϧLs ¨Wm©«ÚlTRôp AÕ NômTp ¨\UôL CÚd¡\Õ. ¿iP Lm©«ûZ úTôu\ AYt±u YôpTϧ ùYiûUVôL CÚlTRôp, NômTp TPXj§u A¥lTϧ ùYiûUVôL CÚd¡\Õ. CûR ùYiTPXm GuTÕ YZdLm. Im×X EQoÜLs, U] EQoÜLs Utßm EPp CVdLeLs VôÜm êû[«u NômTp TPXj§u êXmRôu ¨Lr¡u\]. §ªeLXm, Sôn, U²Rd ÏWeÏLs úTôu\ ùT¬V Tôíh¥ ®XeÏL°Ûm U¥l×Ls ¨û\kR êû[ûVl TôodL Ø¥¡\Õ. B]ôp, £±V êû[ÙûPV G− ØRXô] Tôíh¥L°p U¥l×Ls A§LªpXôUp UÝdùLuß CÚdÏm. T¬QôUj§p êû[«u Y[of£ LTôXj§u Y[of£ûV®P A§LUô¡d ùLôiúP YkRRôp, êû[dÏ CPm TjRôUp U¥l×Lû[ HtTÓj§d ùLôiÓ, CÚd¡u\ CPj§úXúV APe¡d ùLôiPÕ. êû[«u U¥l×Ls ÏZkûR LÚÜt\ 6 YÕ UôRj§−ÚkúR úRôu\ BWm©d¡u\]. êû[«u NômTp TPXj§tÏd ¡úZ ¨Wm©«ÚdÏm ùYiTPXmRôu LôoùPdv TPXj§u U¥l×Lû[ HtTÓj§d ùLôÓd¡u\]. DWjÕ¦ûVd LNd¡]ôp HtTÓm RôßUô\ô], GúRfûNVô] U¥l×Ls ApX AûY. CWL£VUô] §hPj§u A¥lTûP«pRôu úRôuß¡u\].. GpXô U²RÚdÏm êû[«u U¥l×Ls KW[ÜdÏ JúW Uô§¬Rôu CÚdÏm. êû[«u NômTp TWl×dÏd ¸úZ ¨Wm©«ÚdÏm ùYiTPXj§p LôQlTÓm SWm×d Lm©L°u CÝl©]ôpRôu U¥l×Ls HtTÓ¡u\]Yôu. êû[«u JÚTϧ«p CÚdÏm NômTp TWl©p Es[ SWm×ùNpLs Cuù]ôÚ Tϧ«−ÚdÏm NômTp TWl©Ûs[ SWm× ùNpLÞPu "ùSh Jod' úTôX CûQlûT úUtùLôs¡u\]. Ltû\d Ltû\VôL ùYsû[ ¨\ SWm×d Lm©Ls (Bd^ôu) úL©p JVoLs úTôX TX TϧLÞPu ùRôPo× ùLôi¥Úd¡u\]. CdLtû\Ls R¥]UôLÜm, CßdLUôLÜm CÚlTRôp, êû[«u úUp TWl× U¥kÕ ùLôs¡\Õ. êû[«u U¥l× úUÓLû[ ûLWv (gyrus) Gußm, Ts[eLû[ ÑpNv (Sulcus) Gußm AûZlTôoLs. JÚ U¥l×dÏsú[ ¨Wm©«ÚdÏm ùYiTPX SWm×d Lm©d Ltû\Ls CÝjÕdLh¥VÕ úTôX ®ûWlTôL CÚd¡u\]. Ts[eL°u ¸úZ Es[ ùYiTPXj§p AûY ùRô[ ùRô[ùYuß Es[]. CkR úYtßûULsRôu U¥l×LÞdÏd LôWQUô¡u\]. GkùRkR Tϧ A§LUô] SWm× ùRôPo× ùLôiÓs[úRô AlTϧ«p ®ûWl×m, ARu LôWQUôL U¥l×m HtTÓ¡\Õ. ùTôÕYôLúY U¥l×Ls GpXôÚdÏm JúW Uô§¬ CÚkRôÛm Etß úSôd¡]ôp U²RÚdÏ U²Ro U¥l×L°p úYßTôÓLs ùRuTÓm. AÕ AYWYo ËuL[ôp ¨oQ«dLlTÓ¡u\]. ϱlTôL U]úSôVô°L°Pm U¥l×L°p £X

4 úYßTôÓLs ùR¬¡u\]. ÏZkûRl ùNÕdLlTÓmúTôúR U]m ¨oQ«dLlTÓ¡u\].

TÚYj§p êû[«u U¥l×Ls NmUkRUôL ®j§VôNeLs

v¡ú^ôl¬²Vô Gu\ U]úSôn À¥dLlThPYoL°u LôohùPd³p U¥l×Ls Ïû\YôLúY Es[]. LôohùPdv SWm× ùNpLÞd¡ûPúV RLYp T¬Uôt\eLs U¥l×LÞdÏs LôQlTÓm ùYsû[ ¨\ Bd^ôuL[ôp (Lm©«ûZ) ¨LrYRôp, U] úSôÙs[YoL°Pm RLYpLs úLôoûY«pXôUp ÕiÓj ÕiPôLÜm, ®TÃRUôLÜm ùY°lTÓ¡u\]. Bh¥Nm G]lTÓm U]Y[of£d Ïû\ £X ÏZkûRL°Pm HtTÓ¡u\]. CYoL[Õ U¥l×l Ts[eLs ùYÏ BZUôLÜm, CPm Uô±Ùm LôQlTÓYûR A¥dL¥ LY²jÕd ùLôiÓ YÚ¡\ôoLs. ¥vùXd³Vô GuTÕ Lt\p, T¥jRp Ïû\TôÓ. Ts°dáPj§p Tj§p JÚ ûTVàdÏ CÕ LôQlTÓ¡\Õ. CÕ JÚ Ïû\ Guß ùR¬VôUp ùTtú\ôoLÞm, B£¬VoLÞm Al©sû[Lû[ úLô©jÕd ùLôs¡u\]o. CYoL[Õ úLhPp-úTNp LôohùPdv Tϧ«p SWm×ùNpL°úXúV ªLÜm Nd§YônkR, RLYp ùRôPo× ùNnÙm ©WªPp ùNpLs Ï\ûYôLd LôQlTÓ¡u\]. CûR 1970 CúXúV aôoYoÓ ùU¥dLp Ts° LiÓ©¥jRÕ. @lÃ]ôX´ JÚ LôXj§p úL− ùNnVlThP ãÕûN«uv Guß ùNôuú]u. Cuß SÅ] êû[ vúL²e Øû\«p LôohùPdv U¥l×L°u A¥lTûP«p U²RoL°u ×j§dáoûUûVÙm ÏQô§NVeLû[Ùm ¨oQ«dÏm TZdLm Y[okÕ ùLôi¥Úd¡\Õ.

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5

Tôíh¥L°úXúV U²RàdÏjRôu A§LUô] LôoùPdv U¥l×Ls Es[]. LôeLôÚ, ©[ôh¥lTv, Áu úTôu\ CRW ØÕùLÛm©LÞdÏ LôohùPd³p U¥l×Ls Ïû\Ü.

Ã^v ÏWe¡u LôohùPdv TWl× LmëhPo ER®Vôp ®¬jÕd LôhPl ThÓs[Õ. U¥l×L°p Uû\kÕs[ Tϧ GjRû] ùT¬VÕ GuTûRl TôÚeLs.

6 ùTôÕYôL LôohùPd³p Bß AÓdÏLs CÚdÏm. AÓdÏL°u R¥Uu CPjÕdÏ CPm áPdÏû\fNXôL CÚdÏm. YZdLUôL 5 Bm 6Bm AÓdLô]Õ Ts[eL°p ùU−RôL CÚlTûRd LôQØ¥¡\Õ. ûLWv G]lTÓm úUÓL°p Es[ SWm× ùNpLs, TdLYôh¥p SÑdLlTh¥ÚlTÕ ùR¬¡\Õ. ÑpNv Ts[eL°p Es[ ùNpLs CÝdLlThÓ RhûPVô¡«ÚlTÕ ùR¬¡\Õ. ùNp AûUl×dÏm, ùNVÛdÏm ùRôPo× Es[Rô GuTÕ Tt± ùR¬V®pûX.

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