    Sentence 1: Neuroscience: ‘Does aging.affect the first and  igher order moments. of :heurosifiring,rates (like niean/.  riance/skew)? If so, how?    Sentence 2: Neuroscience: Do’ amphetariines affect, the  ist and highér order momients of neutoh firing fates (like  imean/variance/ skew)? 4f 50, how?,