Emma Miller
[lwptoc]
Mune bepa idzva resainzi, vatsvakurudzi veCanada vakaedza kuti caffeine inobata sei kushandiswa kwemashoko epamusoro-soro ekuona nenhengo dzakakodzera dzevanhu. Caffeine inowedzera kuterera uye kurongeka pakuona mafambiro ekufambisa, pamwe nekuvandudza nguva yekuita.
Maererano nevesainzi vepaUniversity yeWaterloo (Canada), kusaziva kwekuona kunoreva kugona kwemunhu kuona nekuziva zvinhu zvidiki uye zvinogona kuyerwa nemamiriro ezvinhu akamira (akamira) kana ane simba (anofamba). Dynamic visual acuity inonyanya kukosha mumabasa akawanda ezuva nezuva. Mune bepa idzva resainzi, vaongorori vakaedza kuti caffeine inovandudza sei kuona ruzivo rwekugadzirisa.
Chidzidzo ichi chaisanganisira 21 vazvipiri. Pane rimwe zuva, vakatora caffeine capsule (pamwero wemamirigiramu mana pakirogiramu), uye pane rimwe zuva, placebo capsule. Kushandisa bvunzo yekombuta yakagadziridzwa uye yakasimbiswa paYunivhesiti yeWaterloo, hunyanzvi hwemutori wechikamu wega wega hwakayerwa awa imwe neawa mushure mekutora caffeine.
Vatori vechikamu vakatora caffeine capsules vakaratidza kurongeka kwakanyanya uye nekukurumidza kukurumidza mukuona zvidiki zvinofamba. Ziso kufamba kumhanya uye kusiyanisa senitivity, iyo inokanganisa dynamic visual acuity, yaivewo nehanya nekudya kwekafeine.
