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SLO #3: Using one or more examples, explain functions of two hormones in human behaviour.

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Presentation on theme: "SLO #3: Using one or more examples, explain functions of two hormones in human behaviour."— Presentation transcript:

1 SLO #3: Using one or more examples, explain functions of two hormones in human behaviour

2 To start things off: In this answer, I will use examples to explain functions of two hormones in human behaviour. The two hormones are: (choose two) Keep it nice and straightforward – remembering to restate the question in your first sentence.

3 So what are HORMONES anyway?
Hormones – another class of chemicals (similar to neurotransmitters) that affect behaviour. They are produced by the glands that make up the ENDOCRINE system.

4 How are Hormones different from Neurotransmitters?
Hormones enter directly into the bloodstream, so they take longer to produce changes in behaviour than neurotransmitters However, some chemicals serve as both hormones and neurotransmitters (e.g. norepinephrine)

5 Some Hormones and their Functions
Glands Function Adrenaline Adrenals Flight or fight response, arousal , Cortisol Arousal, stress hormone, memory Melatonin Pineal Regulation of sleep Oxytocin Pituitary and hypothalamus Mother-child attachment Testosterone and oestrogen Gonads Development, emotion

6 We will look at THREE hormones specifically, but remember that the most you’ll be asked about on an exam question is TWO. You can choose the two that you understand the best.

7 Hormone #1 : OXYTOCIN (aka the ‘love hormone’ or the ‘trust hormone’)
A hormone produced by hypothalamus after being stimulated by pituitary gland Plays a role in inducing labour contractions and lactation (breast feeding) Role in human social bonding (before this was discovered, it was found to have the same effect with animals). And also a role in stress reduction

8 OXYTOCIN cont. Released with touches and hugs (awwwww)
Appears to effect the firing of the neurons of the amygdala. Effective mediator of human social behaviour If oxytocin is given to healthy individuals, brain circuits involved in fear regulation are affected and there is an increase in trust and generosity

9 Study: Morhenn et al. (2008) In your green textbook, read this study on page Do this alone, and after a few minutes you will partner up to discuss the findings. BETTER: archive/2012/11/study-oxytocin-the-love- hormone-makes-men-in-relationships-want- to-stay-away-from-other-women/265314/

10 Hormone #2: Melatonin (aka ‘the Dracula Hormone’)
Produced by the pineal gland and is stimulated by darkness and inhibited by light (Dracula)…..its role is to ‘turn off’ the body Melatonin levels in the bloodstream peak in the middle of the night and gradually decrease toward morning Seasons – SAD (seasonal affective disorder) might be linked to melatonin levels. - some temperate climates with 18 hours of darkness in winter - higher levels of SAD in Scandinavia - Phototherapy used as treatment Jet lag

11 Study: Avery et al. (2001) Please read this study on page of your green text. Then check your understanding with a partner.

12 Hormone #3: Testosterone
Let’s look at this hormone on OneNote. This is also an option for your exam question.

13 EXAM STRATEGY: In this answer I will explain functions of two hormones on human behaviour and use examples to illustrate my work. Hormones are An example of a hormone is: This affects human behaviour by: A study that illustrates this was carried out by: The aim of this study was: The method of this study was: The results of this study were: Another example of a hormone is: This effects human behaviour by:


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