The phrase "a session during which" is correct and usable in written English.
It can be used to describe a specific period of time dedicated to an activity or event.
Example: "We will have a session during which we will discuss the new project proposals."
Alternatives: "a period in which" or "a time when".
Even as Mr. Netanyahu met with Mr. Obama at a session during which the White House pointedly withheld the usual trappings of a visit by the head of a government, Israel's other ally, Britain, expelled an Israeli diplomat.
On Friday, however, at the annual conference of the Institute for New Economic Thinking, which is taking place in Toronto, I moderated a session during which several panelists suggested that bubbles can have an important upside: they help finance innovation and growth.
On 20 September 2001, to mark the 60th anniversary of the Holocaust in Lithuania, the Seimas (Lithuanian parliament) held a session during which Alfonsas Eidintas, the historian nominated as the Republic's next ambassador to Israel, delivered an address accounting for the annihilation of Lithuania's Jews.
The administration's lawyers made a solid argument that a legislative session during which no business takes place, and when no nominations can be considered, is not a real session.
Within a week, patients received a second session, during which pre-post session NA (Profile of Mood States) and blood draws were obtained and assayed for plasma oxytocin levels (ELISA) and OXTR genotyping.
Before the MRI scanning session, participants had a simulation session during which they viewed an abbreviated version of the experimental paradigm while lying in a mock MRI scanner (including head coil and digitized scanner sounds).
This booster session involves a combined group sports clinic and a psychosocial session during which participants discuss what they have learned during both elements of the QLIM intervention.
Measurements were performed before, during and after a hypnotic session during which the subjects were administered a French adaptation of the Stanford Hypnotic Susceptibility Scale and then standardized suggestions of analgesia limited to the left foot.
They lost a day recently through a combination of light airs that followed a long day battling cold winds up to 50 knots, a prolonged session during which they dropped their mainsail altogether and dragged warps off the stern to control the vessel in 20-foot breaking seas.
A pilot was carried out after the training and was followed by a debriefing session during which final decisions were made and instructions were given to the fieldwork teams.
Then there was a Q&A session during which we were asked what specific technological procedures we used to create the backwards effect in our movie.
