Hormones

What are hormones

Chemical substances that act as chemical messengers in the endocrine system and regulates, controls the action of certain cells or organs.

Chemical substances that act as chemical messengers in the respiratory system and regulates, controls the action of certain cells or organs.

Chemical messengers of neurological information from one cell to another.

a regulatory substance produced in an organism and transported in organs

What were the 3 studies we presented to you

Zak et al(2009)

Ackermann et al(2013)

De Dreu et al(2011)

Zak et al(2009)

Maguire(2013)

De Dreu et al(2011)

Zak et al(2009)

Ackermann et al(2013)

Zimbardo(2011)

Zak et al(2009)

Ackermann et al(2013)

De Dreu et al(2012)

What is Testosterone

Testosterone is a female sex hormone and is a main role in the development of female reproductive tissues.

Testosterone is a male sex hormone and is a main role in the development of male reproductive tissues.

Serotonin is a male sex hormone and is a main role in the development of male reproductive tissues.

Testosterone is a male sex hormone and it is a neurotransmitter

What is the aim of Zak et al's experiment?

to investigate if there is a link between decreased testosterone and men’s antisocial, aggressive behaviour.

to investigate if there is a link between elevated testosterone and men’s generous behaviour

to investigate if there is a link between elevated testosterone and women's antisocial, aggressive behaviour.

to investigate if there is a link between elevated testosterone and men’s antisocial, aggressive behaviour.

What was the overall result of Zak's experiment?

This study suggests that high testosterone levels correlated with increase in selfishness, aggression and violent punishments towards others.

Average DM1 proposals in the UG were 9% lower for men on T compared to themselves on placebo

This study suggests that high testosterone levels correlated with a decrease in selfishness, aggression and violent punishments towards others.

this study suggests that low testosterone levels correlated with an increase in selfishness, aggression and violent punishments towards others.

What was the method of Ackermann's experiment?

The pictures comprised two sets (Set 1 and Set 2) of 48 neutral, positive, negative pictures with 24 scrambled pictures. Additionally, four pictures showing neutral objects were presented to control for primacy and recency effects (two pictures were shown in the beginning of the presentation, the other two at the end). These pictures were not included in the analysis.

The pictures comprised two sets (Set 1 and Set 2) of 96 positive, negative pictures with 24 scrambled pictures. Additionally, four pictures showing neutral objects were presented to control for primacy and recency effects (two pictures were shown in the beginning of the presentation, the other two at the end). These pictures were not included in the analysis.

The pictures comprised two sets (Set 1 and Set 2) of 24 positive, 24 negative, and 24 neutral pictures interleaved with 24 scrambled pictures. Additionally, four pictures showing neutral objects were presented to control for primacy and recency effects

(two pictures were shown in the beginning of the presentation, the other two at the end). These pictures were not included in the analysis.

What was the evaluation of Ackermann's experiment?

This was quite a big age range and it would be good to compare with other studies

Each person’s increase or decrease in cortisol was measured individually against their basal level. The differences in recall therefore related to a decrease from that person’s norm and not an average across the whole group.

This situation occurs naturally in the real life

There were some deceptions but the informed consents were signed by the participants. This study is replicable.

Hormones

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