10/11 Anxiety Disorders - Tamburello Flashcards
anxiety
pathological anxiety
sense of uneasiness of distress about future uncertainties
UNIVERSAL EXPERIENCE
unpleasant, but might be essential for adaptive functioning
pathological when it is…
- excessive or illogical
- maladaptive
- causing inappropriate avoidance
mind-body connection : anxiety
psychic anxiety (mental)
somatic anxiety (physical)
parts of brain involved in fear response
fear circuit involves…
- sensory afferents
- hippocampus
- amygdala
- prefrontal cortex
- hypothalamus
neurotransmitters assoc with anxiety
- GABA (inhibitory, dampens anx)
- NE (increases anx)
- DA (increases anx)
- serotonin (early on, can increase anxiety; both high and low levels associated with anxiety)
substances associated with anxiety
stimulants/caffeine
decongestants
asthma medications (ex. albuterol)
SSRIs (ex. fluoxetine/Prozac)
marijuana
corticosteroids
sodium lactate (in panic disorder)
substance use/withdrawal and anxiety
opiates
cocaine
alcohol
benzodiazepines
behavioral theory of anxiety
anxiety can be learned
- classical conditioning
- operant conditioning
behavioral tx is aimed at extinguishing avoidance behaviors
cognitive theory of anxiety
anxiety may be related to cognitive distortions
examples:
- jumping to conclusions
- overstimating severity of an event
- underestimating your coping ability
generalized anxiety disorder
persistent, excessive anxiety over ‘everyday stressors’
aka “free-floating” anxiety
DSM5: excessive anx and worry occuring more days than not for at least 6 mos about number of events/activities
prevalence: 4-7%, more in women
- typical onset: early 20s, but can occur any time in life
may present with somatic sx
overlap with MDD (80% comorbid)
strongly tied to levels of stress
panic attack
abrupt surge of intense fear/discomfort that peaks within minutes with 4 or more physical/mental symptoms:
- palpitations, pounding heart, accel HR
- sweating
- trembling, shaking
- SOB or smothering feeling
- feeling of choking
- chest pain/discomfort
- nausea, abd distress
- dizzy, unsteady, lightheaded, faint
- chills/hot flashes
potential mental sx
- derealization or depersonalization
- fear of losing control, going crazy
- fear of dying
diff between generalized anxiety and panic attack
gen vs panic
- long timeframe vs shorter timeframe
panic attacks vs panic disorder
panic attacks are COMMON (30% will have one in a given year)
- may be a specifier to any other mental disorder
panick attacks within a panic disorder? spontaneous! unprovoked
panic disorder
recurrent unexpected panic attacks
- worry about addtl attacks or enact behavior changes to avoid future attacks
- NOT due to physiological effects of substance or another medical condition/mental disorder
prevalence: 2-5%, 2x common in women, typical onset in early 20s
comorbidities:
- MDD and other mood disorders
- other anx disorders
- substance abuse disorders
agoraphobia
fear or avoidance of being helpless in a place where escape may be difficult or embarassing
ex. public transport, open/closed spaces (bridges/theaters), standing in line, being in a crowd, being outside the house alone
phobia
types
specific, unreasonable fears of object/situations
types:
- animal type (spiders, dogs)
- natural environment (heights, water)
- blood-injection-injury (needles) → closely linked to vasovagal response! (often faint!)
- situational (airplanes, elevators, enclosed spaces)
- other