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Changes in signal detection and complex reaction times during the menstrual cycle (CROSBI ID 474906)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Kalebić, Katija ; Šimić, Nataša Changes in signal detection and complex reaction times during the menstrual cycle // XII. dani psihologije u Zadru : Sažetci radova / Manenica, Ilija (ur.). Zadar: Odsjek za psihologiju Filozofskog fakulteta Sveučilišta u Rijeci, 2000. str. 32-32

Podaci o odgovornosti

Kalebić, Katija ; Šimić, Nataša

engleski

Changes in signal detection and complex reaction times during the menstrual cycle

Regarding the concentration of estrogen and progesterone menstrual cycle is usually divided in five different phases, i.e. pre-menstrual, menstrual, follicular, ovulatory and luteal. Level of estrogen may affect the state of organism, including the level of activation which has effects on general efficiency. It is reasonable to expect that performance may be affected by hormonal changes, therefore the efficiency could differ amongst the five phases. The aim of this study was to find out possible effects of menstrual phases on signal detection time and complex reaction time. The investigation included 12 female subjects with regular menstrual cycle lasting around 28 days. Every subject in each phase performed a signal detection task, as well as a complex reaction task. The signal detection task was the classical Mackworth’s clock task. The task was computer generated and presented, where the signal was double jump of the hand, which appeared at random during 20 minutes of experimental session. The subject’s reaction times to the correct signals as well as number of missed signals were recorded during the signal detection session. The complex reaction task consisted of a computer presented stimulus scheme 3+3 squares where the stimulus randomly appeared in the eight peripheral squares. The subject had to respond, as quicly as possible, to the: a) corresponding key on numeric part of the key board, b) first key to the left, c) second key to the left from the corresponding key. After 10 trials in each situation the subject had to assess the difficulty of just performed task on 21 point Borg’’ scale. As could be expected, the results showed an increase in correct signal reaction time during the 20 minute detection period. The results also showed the effects of menstrual phases on signal reaction time, as well as complex reaction time. The shortest times in both tasks were obtained in the ovulatory phase, while the longest times were observed in the menstrual phase. At the same time, the complex reaction tasks were assessed more difficult in the latter phase than the former. The differences in efficiency may be attributed to the differences in estrogens levels and its effects on mood and behaviour

sSignal detection; efficacy; menstrual cycle

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

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Podaci o prilogu

32-32.

2000.

objavljeno

Podaci o matičnoj publikaciji

XII. dani psihologije u Zadru : Sažetci radova

Manenica, Ilija

Zadar: Odsjek za psihologiju Filozofskog fakulteta Sveučilišta u Rijeci

Podaci o skupu

Dani psihologije u Zadru (12 ; 2000)

predavanje

01.01.2000-01.01.2000

Zadar, Hrvatska

Povezanost rada

Psihologija