đ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧā§āĻĻā§āϰ āĻļā§āϰā§āĻŖāĻŋāĻŦāĻŋāĻāĻžāĻ :
āĻĒā§āϰāϧāĻžāύāϤ āĻŦā§āĻĻā§āϧā§āϝāĻā§āĻā§āϰ āĻĒā§āϰā§āĻā§āώāĻŋāϤā§āĻ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧā§āĻĻā§āϰ āĻļā§āϰā§āĻŖāĻŋāĻŦāĻŋāĻāĻžāĻ āĻāϰāĻž āĻšāϝāĻŧ āĨ¤ āĻĒā§āϰāĻĨāĻŽ āĻĻāĻŋāĻā§ ā§ā§Ļ – āĻāϰ āύā§āĻā§ āĻŦā§āϧā§āϝāĻā§āĻāϏāĻŽā§āĻĒāύā§āύ āĻŦā§āϝāĻā§āϤāĻŋāĻĻā§āϰ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧ⧠āĻšāĻŋāϏā§āĻŦā§ āĻāĻŖā§āϝ āĻāϰāĻž āĻšāϤ āĻāĻŦāĻ āĻāĻĻā§āϰāĻā§ āϤāĻŋāύāĻāĻŋ āĻļā§āϰā§āĻŖāĻŋāϤ⧠āĻŦāĻŋāĻāĻā§āϤ āĻāϰāĻž āĻšāϤ , āϝā§āĻŽāύâ
( āĻ ) ā§Ģā§Ļ-ā§Ŧ⧝ āĻāϰ āĻŽāϧā§āϝ⧠āĻŦā§āĻĻā§āϧā§āϝāĻā§āĻāϏāĻŽā§āĻĒāύā§āύāĻĻā§āϰ Moron āĻŦāϞāĻž āĻšāϤ āĨ¤
( āĻ ) ⧍ā§Ģ-ā§Ē⧝ āĻāϰ āĻŽāϧā§āϝ⧠āĻŦā§āĻĻā§āϧā§āϝāĻā§āĻāϏāĻŽā§āĻĒāύā§āύāĻĻā§āϰ āĻŦāĻžā§āϧāĻšā§āύ ( Imbecile ) āĻŦāϞāĻž āĻšāϤ āĨ¤
( āĻ ) ⧍ā§Ģ – āĻāϰ āĻāĻŽ āĻŦā§āĻĻā§āϧā§āϝāĻā§āĻāϏāĻŽā§āĻĒāύā§āύāĻĻā§āϰ āĻŦāϞāĻž āĻšāϤ āĻāĻĄāĻŧāĻŦā§āĻĻā§āϧāĻŋāϏāĻŽā§āĻĒāύā§āύ ( Idiot ) āĨ¤
āĻĒāϰāĻŦāϰā§āϤ⧠āϏāĻŽāϝāĻŧā§ āĻŦā§āϧā§āϝāĻā§āĻā§āϰ āĻĒā§āϰā§āĻā§āώāĻŋāϤ⧠āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻžāϰ āĻŽāĻžāϤā§āϰāĻž āĻ āύā§āϝāĻžāϝāĻŧā§ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧā§āĻĻā§āϰ āĻļā§āϰā§āĻŖāĻŋāĻŦāĻŋāĻāĻžāĻ āĻāϰāĻž āĻšāϝāĻŧ , āϝā§āĻŽāύâ
āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻžāϰ āĻŽāĻžāϤā§āϰāĻž āĻŦā§āĻĻā§āϧā§āϝāĻāĻ
( ā§§ ) āĻŽā§āĻĻā§ āĻŽāĻžāϤā§āϰāĻžāϰ ( Mild MR )āĨ¤ ā§Ģā§Ļ-ā§Ŧ⧝
( ⧍ ) āĻŽāϧā§āϝāĻŽ āĻŽāĻžāϤā§āϰāĻžāϰ ( Moderate MR )ā§Šā§Ģ-ā§Ē⧝
( ā§Š ) āĻā§āϰā§āϤāϰ āĻŽāĻžāϤā§āϰāĻžāϰ ( Severe MR ) ⧍ā§Ģ-ā§Šā§Ē
( ā§Ē ) āĻā§āĻĄāĻŧāĻžāύā§āϤ āĻŽāĻžāϤā§āϰāĻžāϰ ( Profound MR ) ⧍ā§Ģ- āĻāϰ āύā§āĻā§
āĻļāĻŋāĻā§āώāĻžāĻāϤ āϝāĻžā§āĻā§āϝāϤāĻžāϰ āĻĻāĻŋāĻ āĻĨā§āĻā§āĻ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧā§āĻĻā§āϰ āĻļā§āϰā§āĻŖāĻŋāĻŦāĻŋāĻāĻžāĻ āĻāϰāĻž āĻšāϝāĻŧā§āĻā§ , āϝā§āĻŽāύâ
āĻļā§āϰā§āĻŖā§āĻŦāĻŋāĻāĻžāĻ ( Classification ) āĻŦā§āϧā§āϝāĻ ( IQ )
( ā§§ ) āĻļāĻŋāĻā§āώāĻžāĻĻāĻžāύāϝāĻžā§āĻā§āϝ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻž ( Educable Mental Retardation ) ā§Ēā§Ģ-ā§ā§Ģ
( ⧍ ) āĻĒā§āϰāĻļāĻŋāĻā§āώāĻŖāϝāĻžā§āĻā§āϝ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻž ⧍ā§Ģ-ā§Ēā§Ē ( Trainable Mental Retardation )
( ā§Š ) āϤāϤā§āϤā§āĻŦāĻžāĻŦāϧāĻžāύāϝāĻžā§āĻā§āϝ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻž
( Custodial Mental Retardation ) ⧍ā§Ģ-āĻāϰ āĻāĻŽ
āĻāĻŽāϰāĻž āĻāĻāĻžāύ⧠āĻĒā§āϰāĻĨāĻŽāĻžā§āĻā§āϤ āĻļā§āϰā§āĻŖāĻŋ āĻ āϰā§āĻĨāĻžā§ āĻļāĻŋāĻā§āώāĻžāĻĻāĻžāύāϝāĻžā§āĻā§āϝ āĻŽāĻžāύāϏāĻŋāĻ āĻĒā§āϰāϤāĻŋāĻŦāύā§āϧāĻŋāϤāĻž āϏāĻŽā§āĻĒāϰā§āĻā§ āĻāϞāĻžā§āĻāύāĻž āĻāϰāĻŦ āĨ¤