Phobias are extreme irrational fears of certain objects or situations. Examples of phobias are arachnophobia (fear of spiders) and claustrophobia (a fear of enclosed spaces)
Three key behavioural characteristics of phobias
avoidance
panic
failure to function
Two key emotional characteristics:
anxiety
fear
Two key cognitive characteristics of phobias are:
irrational beliefs
reduced cognitive capacity (sufferers focus their attention on the phobic object to the extent that it interferes with other tasks).