lecture 13 Flashcards
what did Bendedict Augustin Morel believe about anxiety
– is severe anxiety due to a
dysfunction in nervous system?
- Neurasthenia: late 19th century catch-all diagnosis for a wide range of symptoms – tiredness, panic, inability to cope, restlessness, morbid fears
what did Freud believe about anxiety
- regarded a a sexual dysfunction or guilt
- treated with psychotherpy
- evionmental stress was a critical factor
- conflict in the unconscious mind
What are the types of ways to treat anxiety back in the day
- bromide
- Barbiturates: act as depressants on central nervous system
- meprobamate
- benzodiazepines
what was the first benzodiazepines
- The first benzodiazepine, chlordiazepoxide, discovered
accidentally in 1955 - Marketed in 1960 by drug company Hoffmann-LaRoche as Librium
- Librium was marketed to medical professionals as a means to an end – getting the patient to engage with and benefit from
psychotherapy
What was the second benzodiazepines
diazepam developed 1963
- 3 to 10 times the potency of
chlordiazepoxide (Librium)
- Best-known brand name: Valium
What were the negatives of valium
- toxicity and dependence issues
- psychological and physical dependance
- withdrawal symptoms: anxiety, agaitation, restlessness
- can be dangerous with alcohol
who discovered depression
- Robert Burton, The Anatomy of Melancholy (1621)
- Melancholy could be either transitory or habitual
- No one could expect to escape it completely in their life
- During 1850s and 1860s, the term ‘depression’ was introduced to psychiatry
what did they treat depression with
tricyclic antidepressants
- provided relief to 60-80% of patient
- side effects: sluggishness, weight gain, overdose
MonoAmine Oxidase Inhibitors
- more dangerous
Nardil
- these were advertised as a means to get patients to accept and benefit from psychotherapy
when did depression take over from anxiety
- In 1975, depression overtook anxiety in the US as a major condition
- 18 million diagnoses that year, compared to only 13 million diagnoses for anxiety
what are the two theories about depression
1- monoamine theory: underactivity at serotonergic and noradrenergic sites
2- neuroplasticity theory: of depression: decrease of neuroplastic processes in the prefrontal cortex, hippocampus, amygdala = loss of neurons
what are criticisms of the
antidepressant
industry
- biogenetic explanations of mental disorders do not reduce stigma
- Cosmetic psychopharmacology = using drugs to enhance normal
personalities - The medicalisation of normal human mood changes, eg. shyness, grief, transient sadness
- targeting women as life long users
what is ‘prozac poop out’
‘antidepressant treatment tachyphylaxis’
- Abrupt discontinuation can lead to anxiety, depression, psychosis, nausea, vomiting, dizziness, panic attacks
- Not ‘addictive’ but definitely create chemical changes that cause withdrawal when not continued
what is the optium time to use medication for depression
- 6-24 months
- short term
what are physical treatments for depression used today
- ECT
- rTMS repetitive transcranial magnetic stimulation
- Electromagnetic stimulation causes neurons to fire