study was approved by the ethics committee of the Uni


study was approved by the ethics committee of the University of Salzburg. Naturally cycling women were tested three times, once during their early follicular phase (low estrogen and progesterone), once during ovulation (estrogen peak), and once during their mid-luteal phase (high estrogen and progesterone). Early follicular phase ranged from onset of menstruation plus five days. Late follicular phase (ovulation) was estimated using a commercial ovulation test (Pregnafix®Ovulationstest) as well as by verbal reports. Ovulation was approximated as fourteen days before onset of menstruation. Mid-luteal phase spanned from day three post ovulation to five days before the onset of menstruation. Nine naturally cycling women had their first Venetoclax EEG session during early follicular phase, five women during ovulation and four women during mid-luteal phase. With four exceptions, the

three EEG sessions were a maximum of one cycle apart. A fixation cross was presented 5.5° visual angle above the center of the screen and visual targets (“p” or “q”) were viewed on a computer screen with a visual Akt assay angle of 1.5° (Sauseng et al., 2011). Targets were 12.7° to the left or right of the center, which was labeled with cross. Distance between participant and screen was 80 cm. Participants had normal or corrected to normal vision. Each trial consisted of an acoustic cue and a visual target (Fig. 1). A 500 Hz tone required focusing of attention to the left hemifield (without moving eyes away from the fixation cross), and a 1000 Hz tone, which directed attention to the right hemifield. Following a jittered interval of 600 to 800 ms after the acoustic cue, a visual target was presented at the screen for 83 ms. The target (“p” or “q”) was presented either on

the left or on the right hemifield. ADP ribosylation factor In valid trials, target was presented at the hemifield indicated by the acoustic cue, in invalid trials, the target was presented at the opposite hemifield indicated by the tone. The paradigm consisted of 400 trials, of which in half attention had to be directed to the left and in half to the right hemifield. In 75% of the trials, target location was congruent with the cued visual hemifield (valid trials). The inter-trial interval lasted between 2000 and 3000 ms. Participants were asked to respond as fast as well as accurate as possible by pressing the left mouse button with their index finger of the right hand for “p” and the right mouse button with their middle finger of their right hand for “q”. Before women performed the experiment, they practiced one block with 50 trials. Stimuli were presented using Presentation Software (version .71, 2009, Neurobehavioral Systems Inc., Albany, CA, USA). To determine sex hormone levels, each participant provided a saliva sample before an EEG-session. Samples were taken by direct expectoration into sterile tubes. Saliva samples were then stored in a freezer at −20 °C.

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