Explore Ultradian rhythms (including the stages of sleep) & Infradian Rhythms (including the menstrual cycle) as part of the Biopsychology topic of the AQA A-level Psychology course.

BIOPSYCHOLOGY COMPLETE GUIDE: https://tinyurl.com/bddj8xew
BIOPSYCHOLOGY REVISION SUMMARY: https://tinyurl.com/yz6zt34
RESOURCE FOR THIS VIDEO: https://www.bearitinmind.org/biopsych...

For More BIOPSYCHOLOGY videos:    • Biopsychology | A-level Psychology Pa...  

PRODUCTS I USE & BOOKS I READ:
UK: https://www.amazon.co.uk/shop/beariti...

EXPLORE SLEEP FURTHER
BOOK: Why We Sleep: https://amzn.to/3whWh9L
BOOK: Life Time: The New Science of the Body Clock, and How It Can Revolutionise Your Health https://amzn.to/49fGEOM
BOOK: The Circadian Code: Lose Weight, Supercharge Your Energy and Sleep Well Every Night https://amzn.to/3I1CRZk
Podcast: https://podcasts.apple.com/us/podcast...
Podcast:    • Sleep Toolkit: Tools for Optimizing S...  
Pdocast:    • Master Your Sleep & Be More Alert Whe...  

BOOKS ON THE BRAIN:
https://www.bearitinmind.org/articles...

OTHER RECOMMENDED READING
Top 5 Psychology Books for Beginners: https://www.bearitinmind.org/articles...
Top 5 Psychology Books on Mental Disorders https://www.bearitinmind.org/articles...
Top 5 Non-Fiction Psychology Books https://www.bearitinmind.org/articles...

OTHER VIDEOS TO WATCH
Origins of Psychology:    • Origins of Psychology | Wilhelm Wundt...  
Humanistic Psychology:    • Humanistic Psychology | Maslow's Hier...  
Working Memory Model:    • Working Memory Model EXPLAINED | AQA ...  

STUDIES & LINKS from the video:
Dement & Kleitman (1957)
https://www.sciencedirect.com/science...
McClintock (1971)
https://psycnet.apa.org/record/1971-2...
Stern & McClintock (1998)
https://www.nature.com/articles/32408
Yang and Schank (2006)
https://pubmed.ncbi.nlm.nih.gov/26181...

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WHO AM I? Hi - I’m Tom. I’m a Psychology teacher based in the North of England. I've been teaching for over a decade and have numerous years of being an A-level examiner. I started Bear it in MIND to share my own passion for Psychology, and to provide people with content to help us better understand ourselves and others.

00:00 - Intro
00:13 - Biological Rhythms
01:05 - Infradian Rhythms
01:14 - Menstrual Cycle
02:07 - McClintock (1971)
03:21 - Stern & McClintock (1998)
04:09 - Problems with Replication
05:11 - Ultradian Rhythms
5:48 - Stages of Sleep
8:13 - Dement & Kleitman (1957)
09:18 - Small Samples
09:47 - Artifical Settings
10:33 - Test Yourself

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