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Measurement of middle latency responses (MLR) appears to be one of the most useful ways of determining low-frequency auditory threshold. It is known that analog filtering can drastically affect MLR and since most laboratories use different recording characteristics, we carried out these measurements with a number of filter configurations. Ten subjects with(More)
Auditory middle-latency responses (MLR) have been recorded in 25 newborns at 60 dB nHL using two wide band-pass filter conditions and a slow stimulation rate of 2/s. With both types of filter, the MLR consisted in an initial positive wave followed by a negative component (Na) and a positive component (Pa). In newborns, this positive component appears in the(More)
Hatching asynchrony (HA hereafter) leads to patent age and size hierarchies within broods of altricial birds, disadvantaging runts through a reduced condition/survival. The function of HA is controversial, although a general hypothesis states that HA would be an adaptive maternal mechanism for maximizing reproductive output under particular ecological(More)
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