The scientists found that when the tests were repeated, the fetuses became acclimated and no longer responded to the stimulus, indicating that they remembered the stimuli.
ولكن « عندما لم يكن الجنين يستجيب بعد اربعة منبِّهات متتالية ،‏ كان ذلك يشير الى انه تعرَّف الى المنبِّه » .‏