Andreano has found in his neuroimaging studies that during the mid-luteal phase (the second half of the menstrual cycle after ovulation), we have higher levels of emotional arousal and more connectivity between emotion and memory. This finding is far more complicated than just “Bitches be PMSing!” This connectivity means that if we are unlucky enough to be abused during this time period, those abuses can lodge more deeply in our memories and become encoded in our brains. These memories are also more likely to encourage a negative memory bias, a tendency to return to these negative memories
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