1-10,   11-15,   16-18,   19-23,   24-29,   30-37,   38-39,   40-49,   50-55,   56-65
Auditory impairments
prenatal     perinatal
Auditory
agnosia
Highest
metabolism
Cardiac
arrest
Thiamine
deficiency
Asphyxia at birth
animal      human
Alcohol
Toxic sub-
stances
From: Proposal for research on developmental language disorders
Eileen Nicole Simon, PhD, RN  
http://www.inferiorcolliculus.org/presentation.html