This happens periodically.
In the case of bistable stimuli, this dynamic process is perpetual: though the input remains the same, the difference between the present interpretation and the alternative one exerts constant pressure to alter the current hypothesis, and this happens periodically.
This happens only periodically, and the tai chi always goes on.
To prevent that, the Jewish calendar is set up to add a "leap month" periodically, as happened this year.
And it wasn't the first time; this has been happening periodically for around 15 years, and has often made romantic relationships, friendships and professional progress very difficult.
This rarely happens in reality.
"It's great when poetry gets some attention – which happens periodically," Shapcott says.
Shortly afterward, she received a call that there had been a lockdown at the school — something that happens periodically, she said, because there is a prison nearby.
All three robots are to arrive more or less simultaneously because the orbits of Mars and Earth, as happens periodically, are coming into unusually close alignment.
