Biological Therapies P

Question 1

Anti anxiety drugs ao2

Answer 1

Bz more effective than placebo

More effective than anti depressants

Question 2

Beta blockers

Answer 2

Reduce anxiety
Reduce activity of adrenaline and noradrenaline
They bind to receptors on the cells of the heart to reduce the effect
Heart beats slower results in a fall in blood pressure so less stress in the heart

Question 3

Beta blockers ao2

Answer 3

Effective in treating anxiety

Some shown that placebos are just as effective

Question 4

Anti depressants

Answer 4

Used to reduce anxiety
SRRI - increase levels of the neurotransmitter serotonin which regulates mood

MAOI - older class of antidepressants 
Inhibitor prevents the breakdown of neurotransmitters (serotonin)

Question 5

Antidepressants ao2

Answer 5

MAOI are more effective than beta blockers in treating anxiety

SSRI are more powerful than a placebo at reducing anxiety

Question 6

Drugs ao2

Answer 6

Tolerance
Dependency
Symptoms not cause
Side effects

Ease
Assessable
They do work

Question 7

Psychosurgery

Answer 7

Intervention in the brain
Aim to reduce anxiety
Area of the brain is malfunctioning - if the connection is severed symptoms may be relieved
Capsulotomy- remove connections to the capsule (emotion)

Question 8

Psychosurgery ao2

Answer 8

26 patients undertook capsulotomy
Had suffered for 5 years 
All other methods had been exhausted 
Pre op anxiety = 22
Post op anxiety = 4.6
7 tried suicide 
2 epileptic fit 

Psyche is not something you can operate on

Question 9

Antianxiety drugs

Answer 9

Bz - reduce anxiety
Valium
Slow down activity of central nervous system by enhancing GABA (quietening effect on neurotransmitters)