OBJECTpermanenceBRAINSTEMIMITATINGCONCEPTCRYINGCOOINGREACHINGFOR ORPOINTINGsensori-motorperiodperceptionstimuliNEURONSMYELINPUSHINGAWAYAXONScerebrumOBJECTconstancycognitionCELLBODYSPINALCORDCLINGINGdepthperceptioncerebellumconceptDENDRITESbabblingmonotonereduplicationbabblingTHALAMUSOBJECTpermanenceBRAINSTEMIMITATINGCONCEPTCRYINGCOOINGREACHINGFOR ORPOINTINGsensori-motorperiodperceptionstimuliNEURONSMYELINPUSHINGAWAYAXONScerebrumOBJECTconstancycognitionCELLBODYSPINALCORDCLINGINGdepthperceptioncerebellumconceptDENDRITESbabblingmonotonereduplicationbabblingTHALAMUS