What’s on the Biological Rhythms poster
A 4-row table: Rhythm · Period · Example.
By cycle length.
- Ultradian — Under 24 hours — Sleep stages, ~90 min
- Circadian — About 24 hours — Sleep-wake, core temperature
- Infradian — Over 24 hours — Menstrual cycle
- Circannual — About a year — Seasonal affective patterns
The suprachiasmatic nucleus is the master clock; light through the retina is the primary zeitgeber that resets it daily.
Questions about the Biological Rhythms poster
- What’s on the Biological Rhythms poster?
- A 4-row table: Rhythm · Period · Example. By cycle length. Ultradian — Under 24 hours — Sleep stages, ~90 min; Circadian — About 24 hours — Sleep-wake, core temperature; Infradian — Over 24 hours — Menstrual cycle; Circannual — About a year — Seasonal affective patterns. The suprachiasmatic nucleus is the master clock; light through the retina is the primary zeitgeber that resets it daily.
- Who is the Biological Rhythms poster for?
- Biological Rhythms belongs to the Psychology section rather than to a school year, because life science is not something one grade owns. Anyone learning biological can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Biological Rhythms poster?
- Endogenous pacemakers set the rhythm; exogenous zeitgebers keep it in step. A wall chart earns its place by being glanceable from where the work is happening, so Biological Rhythms belongs on the wall where that life science work actually happens, within glancing distance, rather than filed away.
- What other posters go with Biological Rhythms?
- Brain Imaging, Brain Structures and Drug Action sit alongside Biological Rhythms in the Psychology section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Brain ImagingBrain StructuresDrug Action
- Is the Biological Rhythms poster free to download and print?
- Yes. Biological Rhythms downloads as a free PDF with no account, no email and no watermark, like everything else in the Psychology section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Biological Rhythms poster print at?
- Biological Rhythms is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Biological Rhythms loses nothing.Printing guide
Related posters
Charts that sit alongside Biological Rhythms on the same wall.
Browse every Psychology poster, or start from the full catalogue.