Arm 1: Control Group Description: This group receives standard care during the study and does not participate in the developmental support program. For ethical reasons, a four-session developmental support program will be offered to this group after the completion of the study.

Routine medical care without additional developmental support. Applied to the Control Group during the study.

Standard Care

Participants' mothers receive an online developmental support program for infants with SMA. The program is conducted once a week for 90 minutes over 12 weeks and includes education and guidance on child development and parental support. Post-test and 4-week retention test are administered.

A 12-week online program designed and implemented by the researcher for mothers of infants diagnosed with SMA Type 1. Conducted once a week for 90 minutes, the program provides education and guidance to support infants' overall development and enhance parental knowledge and coping skills. Post-test assessments are conducted at the end of the program, and a retention test is administered 4 weeks later. Applied only to the Intervention Group.

제1형 척수성 근육 위축증(SMA) 영아를 위한 온라인 조기 개입 프로그램, 표준 치료