Core - Chapter 2 - Hormones Flashcards
What is the function of adrenaline? In which glands is adrenaline produced?
Glands: adrenals
Function: fight or flight response, arousal
What is the function of cortisol? In which glands is cortisol produced?
Glands: adrenals
Function: arousal, stress hormone, memory
What is the function of melatonin? In which glands is melatonin produced?
Glands: pineal
Function: regulation of sleep
What is the function of oxytocin? In which glands is oxytocin produced?
Glands: pituitary and hypothalamus
Function: mother-child attachment
What is the function of testosterone/estrogen? In which glands is testosterone/estrogen produced?
Glands: gonads
Function: development, emotion
When is oxytocin released?
With touches and hugs
What does oxytocin have to do with cognition?
It changes the brain signals related to social recognition via facial expression, perhaps by changing the firing of the neurons of the amygdala. Plays an important role in processing emotional stimuli
What is the production of melatonin affected by ?
Stimulated by darkness, inhibited by light. Melatonin levels peak in the middle of the night and gradually decrease towards morning
Describe a study related to melatonin
Rosenthal (1987)
Rosenthal (1987)
Higher levels of melatonin contribute to seasonal affective disorder (SAD), a sub-category of depression characterized by sleepiness, lethargy, cravings for carbohydrates.
Higher levels in scandinavia. Phototherapy one treatment to SAD