there can be a variety of underlying causes such as a head injury, that can occur at any age; a birth injury, such as a lack of oxygen during birth; fever convulsions, encephalitis, meningitis or childhood measles; and metabolic or biochemical disturbances or imbalances.

go ka ba le mabaka a go fapana a go bo hlola go swana le kgobalo ya hlogo, yeo e ka diregago mo mengwageng efe goba efe; kgobalo ya pelego, go swana le tlhaelelo ya oksitšene nakong ya pelego; dithunthwane tša letadi, go ruruga bjoko, menentšaethisi goba mooko wa bobjana; le go se lekane ga dikhemikhale tša mmele.
