Table 1 Progressive nature of AGU: Growth, cognition, personality, speech, self-help, and motor skills according age. ID = intellectual disability
Age in years | Growth | Cognition | Personality | Speech | Self-help | Motor skills |
|---|---|---|---|---|---|---|
<2 | Early growth spurt +1- +2sd | Normal | “An easy baby” | Normal | Normal | Stiffness in hips |
2–5 | +1SD | Subnormal | Well-behaved and fussy | Delayed | Delayed | Walks clumsily |
6–9 | 0- + 1sd | Mild ID | Talkative, kind, stubborn | Unclear | Delayed | Can bike and ski, not skate |
10–15 | Slight and short pubertal growth spurt, early menarche, macro-orchidism | Moderate ID | Fond of children, joyful | Clear | Independent in toileting, dresses and undresses | No change |
16–19 | Growth ceases, -1SD | Moderate/severe ID | Tends to withdraw | “Soft” | Able to do little shopping | No change |
20–24 | Girls gain weight | Severe ID | Attached to parents, shows no interest to opposite sex | “Soft” | Able to move outdoors in familiar surroundings | No more biking nor skiing |
25–34 | No change | Severe ID | Calm, passive | Vocabulary decreases | Active and passive periods | May walk without a goal |
35–44 | No change | Severe ID | Confused | Few words | Constant need of help | Legs seem not to respond |
45+ | Loss of weight | Profound ID | Sits still for hours, angry when disturbed | No speech | Constant need of help | Poor balance/wheel chair |