arily ▁varied ▁phen omena , ▁each ▁of ▁which ▁requires ▁scientific ▁analysis ” ▁( G ang est ad ▁et ▁al ., ▁ 2 0 0 6 ). ▁Ult imately , ▁the ▁issues ▁of ▁behavior al ▁variation ▁through ▁ev oked ▁or ▁transm itted ▁culture ▁must ▁rest ▁on ▁empir ical ▁evidence . ▁ ▁Psych ology , ▁culture , ▁and ▁human ▁evolution ▁While ▁most ▁research ers ▁would ▁accept ▁the ▁notion ▁that ▁psych ological ▁adapt ations , ▁sh aped ▁by ▁natural ▁selection , ▁under lie ▁culture , ▁some ▁would ▁stress ▁the ▁strength ▁of ▁cultural ▁behav iors ▁on ▁sh aping ▁selection ▁press ures ▁( Bo yd ▁and ▁Rich erson , ▁ 2 0 0 5 ) ▁or ▁emphas ize ▁cultural ▁n iche ▁construction ▁( L aland ▁et ▁al ., ▁ 2 0 0 0 ). ▁Still ▁others ▁have ▁argued ▁for ▁a ▁kind ▁of ▁cogn itive ▁n iche ▁construction , ▁where ▁culture ▁changes ▁the ▁selection ▁press ures ▁on ▁cogn ition , ▁resulting ▁in ▁emer gent ▁psych ological ▁modules ▁( e . g . ▁Whe eler ▁and ▁Clark , ▁ 2 0 0 8 ). ▁Whe eler ▁and ▁Clark ▁( 2 0 0 8 ) ▁have ▁named ▁this ▁inter play ▁between ▁gen es , ▁culture , ▁and ▁emb od iment ▁the ▁“ tri ple ▁hel ix .” ▁The ▁authors ▁suggest ▁that ▁self - created ▁environmental ▁structures ▁and ▁reli ance ▁on ▁cult ur ally - trans m itted ▁information ▁selected ▁for ▁cogn itive ▁modules ▁for ▁contin ual ▁boot stra pping ▁and ▁increases ▁in ▁computational ▁complexity . ▁Their ▁argument ▁re lies ▁on ▁cogn