Archive · 8 Sep 2026
Temple Signal May Track Brain Blood Flow Beyond Heart Rate
Researchers conducted a second test involving people standing and lying down.
When the participants lay down, blood moved faster through their brains.
At the same time, their heart rates became slower.
This shows that a slower pulse does not always mean slower blood flow in the brain.
Heart rate is only one piece of information.
Temple’s Brain Flow signal may provide another way to observe what is happening.
It may detect changes that heart rate alone misses.
The finding could help researchers better study brain blood flow.
In a second test, participants moved between standing and lying down.
When participants lay down, brain blood-flow velocity increased.
Heart rate decreased while brain blood-flow velocity increased.
The result suggests heart rate alone may not show brain blood-flow changes.
Temple’s Brain Flow signal may detect changes that cannot be inferred from pulse alone.
- Who
- Participants in the second test and Temple’s Brain Flow signal are referenced; Deepinder Goyal is identified in the headline.
- What
- The test found that brain blood-flow velocity increased while heart rate decreased when participants lay down.
- When
- During the second test; no date is stated.
- Where
- Not stated.
- Why
- To examine whether Temple’s Brain Flow signal can detect brain blood-flow changes that heart rate alone cannot show.
- Test
- The article describes a second test.
- Participant movement
- Participants moved between standing and lying down.
- Brain blood flow
- Brain blood-flow velocity increased when participants lay down.
- Heart rate
- Heart rate decreased when participants lay down.
- Main implication
- Heart rate alone does not always indicate what is happening to blood flow in the brain.
- Signal discussed
- Temple’s Brain Flow signal may capture changes not inferable from pulse alone.