les ▁the ▁skin ▁of ▁a ▁re fr iger ated ▁pl uck ed ▁tur key . ▁ ▁Vol unt ary ▁control ▁ ▁An ▁unknown ▁proportion ▁of ▁people ▁may ▁cons ci ously ▁initi ate ▁the ▁sens ation ▁and ▁phys i ological ▁signs ▁of ▁p ilo ere ction . ▁The ▁phenomen on ▁is ▁discovered ▁sp ont ane ously , ▁appearing ▁to ▁be ▁inn ate , ▁and ▁is ▁not ▁known ▁to ▁be ▁possible ▁to ▁learn ▁or ▁ac quire . ▁Those ▁with ▁the ▁ability ▁frequently ▁are ▁una ware ▁that ▁it ▁is ▁not ▁possible ▁to ▁everyone . ▁The ▁ability ▁appears ▁to ▁correlate ▁with ▁person ality ▁tra its ▁associated ▁with ▁open ness ▁to ▁experience . ▁ ▁See ▁also ▁ ▁Aut onom ous ▁sens ory ▁mer id ian ▁response ▁Cold ▁ch ill ▁Fr isson ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : S kin ▁phys i ology ▁Category : Ref lex es <0x0A> </s> ▁A ▁Span ▁of ▁Earth ▁() ▁is ▁a ▁ 1 9 6 4 ▁Soviet ▁drama ▁film ▁directed ▁by ▁And rey ▁Sm ir nov ▁and ▁Bor is ▁Y ash in . ▁ ▁Plot ▁ ▁The ▁film ▁takes ▁place ▁in ▁the ▁summer ▁of ▁ 1 9 4 4 . ▁The ▁film ▁tells ▁about ▁a ▁young ▁lieutenant ▁and ▁a ▁batt alion ▁commander ▁def ending ▁a ▁bridge head . ▁ ▁Cast ▁▁ ▁Aleks andr ▁Z bru ye v ▁as ▁Aleks andr ▁Mot ov il ov ▁ ▁Elli ya ▁Su k han ova ▁as ▁R ita ▁Tam ash ova ▁ ▁Ev gen iy ▁U rb ans ki y ▁as ▁Ale k sey ▁Bab