|Method for Investigating the |What it is |Advantages |Disadvantages |
|brain | | | |
|PET (Positron Emission |Where a radioactive chemical, such as glucose, is injected into the bloodstream of an | |Expensive …show more content…
(e.g. to |Allows experimenter high degree of precision over what |Damage is not reversible |
| |remove tumours, or a lobotomy as use to treat psychological disorders) often used on |area of brain removed |Cannot generalise animal research to humans |
| |research in animals | | …show more content…
Small amounts are secreted|Lab/field experiments | | |
| |by the adrenal glands |observation | | |
|Oestrogen |Primary female sex hormone influences the menstrual cycle. |Lab/field experiments |Post natal depression | |
| |Low oestrogen levels may contribute to OCD |obsevation |Using it to treat OCD in males and females | |
| | | |Treating Turners sydrome | |
|Oxytocin |Sexual reproduction hormone. During childbirth/bearing makes|Lab/field experiments |Army men getting parental over kids |