Visuomotor Processing after Progressively Increased Physical Exercise

VISUOMOTOR PROCESSING AFTER PROGRESSIVELY INCREASED

PHYSICAL EXERCISE

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Address for correspondence:

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Abstract.

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WKHODFWDWHWKUHVKROG VO₂PD[6SHFLDO$ELOLW\6LJQDO7HVWLQFOXGHGLQWKH9LHQQD7HVW6\VWHP6FKXKIULHG$XVWULDZDVXVHG WRH[DPLQHYLVXRPRWRUSURFHVVLQJ7KHQXPEHUVRIFRUUHFWUHDFWLRQVDQGWKHPHGLDQUHDFWLRQWLPHDVD PHDVXUHRIWKHVSHHGRIWKH GHWHFWLRQSURFHVVZHUHDQDO\]HG)RXU6LJQDOWHVWUHFRUGLQJVZHUHWDNHQSUHH[HUFLVHDQGLPPHGLDWHO\DIWHUWKHWKUHHVXEVHTXHQW HIIRUWWHVWV7KHQXPEHUVRIFRUUHFWUHDFWLRQVLQFUHDVHGDIWHUWKHILUVWHIIRUWVO2PD[LQFRPSDULVRQWRWKHSUHH[HUFLVHVWDWHDQG

WKHQVLJQLILFDQWO\GHFUHDVHGDIWHUWKHWKLUGHIIRUWWHVW VO2PD[,QFRQWUDVWno significant changes in time of signal detection were

REVHUYHG3K\VLFDOHIIRUWZLWKKLJKLQWHQVLW\PLJKWGLVWXUEWKHYLVXRPRWRUSURFHVVLQJLQDFFRUGDQFHWRWKHDFFXUDF\RIWKHYLVXRVSDWLDO GLIIHUHQWLDWLRQRIWKHUHOHYDQWVLJQDOZLWKLQLUUHOHYDQWVLJQDOV

Key words:

H[HUFLVHGLIIHUHQWLDWLRQRIYLVXDOVLJQDOUHDFWLRQWLPH

Introduction

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Participants

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Procedure

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92PD[7KHILUVWSignal testZDVSHUIRUPHGDWUHVW1H[WDOOSDUWLFLSDQWVFRPSOHWHGD PLQZDUPXSRQWKH

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VO2PD[7KHsecond Signal testZDVSHUIRUPHGLPPHGLDWHO\DIWHUWKHHIIRUWWHVW3DUWLFLSDQWVWKHQSHUIRUPHG

a PLQHIIRUWDWWKHODFWDWHWKUHVKROG VO2PD[1H[WSDUWLFLSDQWVSHUIRUPHGD PLQHIIRUWDWDQLQWHQVLW\

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Data analyses

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Results

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QXPEHURIFRUUHFWUHVSRQVHVDQDO\VLVVKRZHGD significant increase after effort at an intensity with 92PD[

and then reduction DIWHUVXEVHTXHQWWZRHIIRUWV3RVWKRFWHVWVLQGLFDWHGD VLJQLILFDQWGLIIHUHQFHSEHWZHHQ

Signal test results at rest and after effort at an intensity with 92PD[between Signal test results after effort at an intensity with 92PD[DQGUHVXOWVafter effort at an intensity of 92PD[S(IIRUWLQGXFHG FKDQJHVLQ6LJQDOWHVWYDULDEOHVDUHSUHVHQWHGLQ)LJXUH

Figure 1.

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GLIIHUHQFHSEHWZHHQ6LJQDOWHVWUHVXOWVDIWHUHIIRUWDWDQLQWHQVLW\RI92PD[DQGUHVXOWVafter effort at intensity of 

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Figure 2.

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Discussion

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/RRNLQJIRUDQH[SODQDWLRQRIWKHobserved results LQWKHSUHVHQWVWXG\ZHVXSSRVHWKDWDQLPSDFWRIH[HUFLVH RQYLVXRPRWRUSURFHVVLQJPLJKWEHUHODWHGWRSK\VLRORJLFDOPHFKDQLVPV,WLVJHQHUDOO\NQRZQWKDWSK\VLFDOH[HUFLVH DIIHFWVWKHERG\¶VVWDWHRIDURXVDO2[\JHQXSWDNHDQGFDUGLDFRXWSXWLQFUHDVHGXULQJWKHILUVWIHZPLQXWHVRI H[HUFLVHWRD VWHDG\VWDWH'XULQJH[HUFLVHRIORZLQWHQVLW\WKHHQHUJ\RXWSXWLVGHOLYHUHGDHURELFDOO\DQGODFWLF DFLGGRHVQRWDFFXPXODWHLQWKHERG\:HVXUPLVHWKDWWKHLPSURYHPHQWRIYLVXRPRWRUSURFHVVLQJLQWKHILUVWVWDJH of our study could have been due to the increased blood flow with a VLPXOWDQHRXVLQFUHDVHLQGHOLYHU\RIR[\JHQ DQGJOXFRVHWRWKHWLVVXHV,WLVDOVRSRVVLEOHWKDWH[HUFLVHLQGXFHGERG\DURXVDOOHDGVWRWKHUHOHDVHRIFHUWDLQ QHXURWUDQVPLWWHUV([SHULPHQWDOHYLGHQFHVKRZHGWKDWWKHHIIHFWRIH[HUFLVHRQWKHYLVXRPRWRUSURFHVVHVPD\EH PHGLDWHGYLDWKHQRUDGUHQHUJLFV\VWHP&KPXUDHWDOKDYHUHSRUWHGD negative correlation between SODVPDFDWHFKRODPLQHFRQFHQWUDWLRQDQGFKRLFHUHDFWLRQWLPHGXULQJLQFUHPHQWDOH[HUFLVHXQWLOH[KDXVWLRQDQG DIWHUWKHSODVPDWLFWKUHVKROGRIDGUHQDOLQLVUHDFKHG$GGLWLRQDOO\+DVEURXFTHWDOUHSRUWHGWKDWD single GRVHRIPJOHYRGRSDa SUHFXUVRURIGRSDPLQHDQGQRUDGUHQDOLQHFDQVKRUWHQWKHPRWRUWLPHUHVSRQVHLQ KHDOWK\VXEMHFWVIt has been suggested that high levels of blood adrenaline are associated with changes in the &16WKDWPLJKWLPSURYHFRJQLWLYHSHUIRUPDQFH&ODUNHWDO3UHYLRXVO\UHVHDUFKHUVUHSRUWHGVKRUWHUUHDFWLRQ WLPHWRYLVXDOVWLPXOXVGXULQJRUDIWHUVXEPD[LPDOH[HUFLVHLQKHDOWK\VXEMHFWV$UFHOLQHWDO'DYUDQFKHDQG $XGLIIUHQVXJJHVWLQJWKDWH[HUFLVHFDQLPSURYHYLVXRPRWRUSURFHVVLQJ)RUH[DPSOH'DYUDQFKHHWDO XVHGWKHRQVHWRIYROXQWDU\HOHFWURP\RJUDSKLFDFWLYLW\WRDQDO\]HWKHUHDFWLRQWLPHLQWHUPVRISUHPRWRUWKHWLPH LQWHUYDOEHWZHHQWKHRQVHWRIWKHUHVSRQVHVLJQDODQGWKHRQVHWRIHOHFWURP\RJUDSKLFDFWLYLW\DQGPRWRUWLPHWLPH LQWHUYDOEHWZHHQWKHRQVHWRIHOHFWURP\RJUDSKLFDFWLYLW\DQGWKHRQVHWRIWKHUHTXLUHGPRWRUUHVSRQVHREVHUYHG WKDWH[HUFLVHRIPD[LPDODHURELFSRZHU±0$3LQWHUDFWHGZLWKYLVXDOVWLPXOXVLQWHQVLW\RQSUHPRWRUWLPHDQG FRQVHTXHQWO\VKRUWHQHGWKHPRWRUWLPHLQDWKOHWHV7DNLQJLQWRDFFRXQWWKHIDFWWKDWYLVXDOVWLPXOXVLQWHQVLW\DIIHFWV WKHGLVFKDUJHRIWKHJDQJOLRQFHOOVLQWKHUHWLQDDXWKRUVVXJJHVWHGWKDWWKHLQWHUDFWLRQEHWZHHQH[HUFLVHDQGYLVXDO VWLPXOXVLQWHQVLW\PRGLILHGWKHHDUO\VWDJHRIYLVXDOSURFHVVLQJ$GGLWLRQDOO\WKHHOHFWURSK\VLRORJLFDOVWXG\UHVXOW VKRZHGWKDWDIWHUWKHH[HUFLVHZLWKORZLQWHQVLW\92PD[WKHQHXURUHWLQDOH[FLWDWLRQLQFUHDVHGLQKHDOWK\ VXEMHFWV=ZLHUNRHWDO$XWKRUVREVHUYHGDQLQFUHDVHRIDPSOLWXGHSDQGD GHFUHDVHLQWKHEZDYH LPSOLFLWWLPHSRIWKHHOHFWURUHWLQRJUDPLQFRQHPHGLDWHGUHVSRQVHV

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References

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