Exam 15: Psychological Disorders-Part C

The comorbidity between anxiety and depression is significant.

People with phobic disorders know that their fear is irrational.

According to an important study,people with PTSD show a smaller-sized hippocampus,a preexisting condition that made them susceptible to developing PTSD when they were later exposed to trauma.

Schizophrenic hallucinations are often auditory.

A new system called the Research Domain Criteria Project (RDoC)is an initiative that aims to guide the classification and understanding of mental disorders by revealing the basic processes that give rise to them.

Among the various mental disorders,bipolar disorder has the highest rate of heritability.

Being adopted into a severely disturbed family increases the risk of schizophrenia only in those who have a biological predisposition for schizophrenia.

Antisocial personality disorder is associated with extreme introversion and withdrawal from relationships.

Symptoms must persist for at least 2 months in order to receive a diagnosis of major depressive disorder.

The presence or absence of a diathesis determines if symptoms of a disease will manifest.

Panic attacks must be accompanied by fear of having another attack in order to receive a panic disorder diagnosis.

The symptoms of a panic attack can mimic the symptoms associated with a heart attack.

Rapid cycling bipolar disorder is more common in women than it is in men.

Autism spectrum disorder (ASD)is a condition beginning in early childhood in which a person shows persistent communication deficits as well as restricted and repetitive patterns of behaviors,interests,or activities.

Attempting to suppress an obsession may actually strengthen it.

Some schizophrenics have enlarged brain ventricles.

Brain imaging studies suggest that those with ADHD have smaller brain volumes as well as structural and functional abnormalities in frontosubcortical networks associated with attention and behavioral inhibition.