Bio psych- bio rhythms Flashcards
What is a biological rhythm
A biological rhythm is any change in a physiological activity that repeats periodically in a set pattern.
What is a circadian rhythm
One cycle that lasts approx one day
What is an infradian rhythm
One cycle that takes longer than 24 hours
What is an ultradian rhythm
One cycle that takes less than 24 hours
What is an example of a circadian rhythm
sleep/wakingbody tempmetabolic activity hormones
What is an example of an infradian rhythm
MenstruationhibernationSAD
What is an example of an ultradian rhythm
Feedingstages of sleepalertness
An infradian rhythm lasts _____ than 24 hours
more
What happens in the first 10-14 days of the menstrual cycle
Oestrogen and progesterone at the lowest levelsWhen bleeding stops FSH levels rise causing growth of ovarian follicles
What is the first 10-14 days of the menstrual cycle called
The follicular phase
What happens at day 14 of the menstrual cycle
Ovulatory phase starts with FSH signaling ovaries to produce oestrogen, which causes LM to surge and that releases the largest egg in the fallopian tubes, ready for fertilisation
What stage starts at day 14 of the menstrual cycle
Ovulatory phase
Ultradian rhythms last _____ than 24 hours
less
The pattern of human sleep moves systematically through different stages that repeat approximately every ___ minutes
90
What time does body temperature peak and at what temperature
Mid afternoon at about 37.1