PSY 255 Week 6 2026 Expert
Verified | Ace the Test
Obsessive-compulsive and related disorders - 🧠 ANSWER ✔✔A group of
overlapping disorders listed in the DSM-5 that involves intrusive,
unpleasant thoughts and/or repetitive behaviors
Obsessive-compulsive disorder (OCD) - 🧠 ANSWER ✔✔Characterized by
the tendency to experience intrusive and unwanted thoughts and urges
(obsession) and/or the need to engage in repetitive behaviors or mental
acts (compulsions) in response to the unwanted thoughts and urges
,Obsessions - 🧠 ANSWER ✔✔"persistent, unintentional, and unwanted
thoughts and urges that are highly intrusive, unpleasant, and distressing"
Compulsions - 🧠 ANSWER ✔✔"repetitive and ritualistic acts that are
typically carried out primarily as a means to minimize the distress that
obsessions trigger or to reduce the likelihood of a feared event"
Which of the following best illustrates a compulsion?
-Thoughts of harming a neighbor
-Mentally counting backward from 1,000
-Persistent fear of germs
-Falsely believing that a spouse has been cheating - 🧠 ANSWER
✔✔Mentally counting backward from 1,000
Concordance rate - 🧠 ANSWER ✔✔The probability that a person, usually a
twin or family member, will show symptoms if another has the disorder
Orbitofrontal cortex - 🧠 ANSWER ✔✔"An area of the frontal lobe involved in
learning and decision-making", believed to play a critical role in OCD
Which cortex is associated with body dysmorphic disorder? - 🧠 ANSWER
✔✔Prefrontal cortex
,Which cortex is associated with hoarding disorder? - 🧠 ANSWER
✔✔Anterior cingulate cortex
Pediatric autoimmune neuropsychiatric disorders associated with
streptococcal infections (PANDAS) - 🧠 ANSWER ✔✔Cause for OCD; strep
triggers a misdirected immune response and results in inflammation on a
child's brain, usually have sudden symptoms followed by slow improvement
Research suggests that one of the main causes of obsessive-compulsive
disorder is due to... - 🧠 ANSWER ✔✔a genetic component.
What are some treatment options for OCD? - 🧠 ANSWER ✔✔SSRIs, CBT,
exposure and response prevention (EX/RP)
Criteria for diagnosing OCD - 🧠 ANSWER ✔✔-The obsessions and
compulsions are time-consuming and/or cause significant impairment in
important areas of function (social, occupational, etc.)
-Symptoms are not caused by psychological effects of a substance or
another medical condition
-Symptoms are not better explained by those of another mental disorder
-Good insight into compulsions but continue them anyway, or delusional
beliefs
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STATEMENT. ALL RIGHTS RESERVED
3
, Research indicates that the symptoms of OCD... - 🧠 ANSWER ✔✔are
related to hyperactivity in the orbitofrontal cortex.
Body dysmorphic disorder (BDD) - 🧠 ANSWER ✔✔Involves an excessive
preoccupation with an imagined defect in physical appearance
Things that may cause BDD (5) - 🧠 ANSWER ✔✔-Low serotonin
-OCD
-GAD
-Childhood abuse or trauma
-Family history
-Insecure attachment to a parent figure
-Cognitive deficits in ACC
Gender dysphoria (GD) - 🧠 ANSWER ✔✔The distress a person feels due to
a mismatch between gender identity and sex assigned at birth
What are some treatments for BDD? - 🧠 ANSWER ✔✔SSRIs and CBT
Verified | Ace the Test
Obsessive-compulsive and related disorders - 🧠 ANSWER ✔✔A group of
overlapping disorders listed in the DSM-5 that involves intrusive,
unpleasant thoughts and/or repetitive behaviors
Obsessive-compulsive disorder (OCD) - 🧠 ANSWER ✔✔Characterized by
the tendency to experience intrusive and unwanted thoughts and urges
(obsession) and/or the need to engage in repetitive behaviors or mental
acts (compulsions) in response to the unwanted thoughts and urges
,Obsessions - 🧠 ANSWER ✔✔"persistent, unintentional, and unwanted
thoughts and urges that are highly intrusive, unpleasant, and distressing"
Compulsions - 🧠 ANSWER ✔✔"repetitive and ritualistic acts that are
typically carried out primarily as a means to minimize the distress that
obsessions trigger or to reduce the likelihood of a feared event"
Which of the following best illustrates a compulsion?
-Thoughts of harming a neighbor
-Mentally counting backward from 1,000
-Persistent fear of germs
-Falsely believing that a spouse has been cheating - 🧠 ANSWER
✔✔Mentally counting backward from 1,000
Concordance rate - 🧠 ANSWER ✔✔The probability that a person, usually a
twin or family member, will show symptoms if another has the disorder
Orbitofrontal cortex - 🧠 ANSWER ✔✔"An area of the frontal lobe involved in
learning and decision-making", believed to play a critical role in OCD
Which cortex is associated with body dysmorphic disorder? - 🧠 ANSWER
✔✔Prefrontal cortex
,Which cortex is associated with hoarding disorder? - 🧠 ANSWER
✔✔Anterior cingulate cortex
Pediatric autoimmune neuropsychiatric disorders associated with
streptococcal infections (PANDAS) - 🧠 ANSWER ✔✔Cause for OCD; strep
triggers a misdirected immune response and results in inflammation on a
child's brain, usually have sudden symptoms followed by slow improvement
Research suggests that one of the main causes of obsessive-compulsive
disorder is due to... - 🧠 ANSWER ✔✔a genetic component.
What are some treatment options for OCD? - 🧠 ANSWER ✔✔SSRIs, CBT,
exposure and response prevention (EX/RP)
Criteria for diagnosing OCD - 🧠 ANSWER ✔✔-The obsessions and
compulsions are time-consuming and/or cause significant impairment in
important areas of function (social, occupational, etc.)
-Symptoms are not caused by psychological effects of a substance or
another medical condition
-Symptoms are not better explained by those of another mental disorder
-Good insight into compulsions but continue them anyway, or delusional
beliefs
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Research indicates that the symptoms of OCD... - 🧠 ANSWER ✔✔are
related to hyperactivity in the orbitofrontal cortex.
Body dysmorphic disorder (BDD) - 🧠 ANSWER ✔✔Involves an excessive
preoccupation with an imagined defect in physical appearance
Things that may cause BDD (5) - 🧠 ANSWER ✔✔-Low serotonin
-OCD
-GAD
-Childhood abuse or trauma
-Family history
-Insecure attachment to a parent figure
-Cognitive deficits in ACC
Gender dysphoria (GD) - 🧠 ANSWER ✔✔The distress a person feels due to
a mismatch between gender identity and sex assigned at birth
What are some treatments for BDD? - 🧠 ANSWER ✔✔SSRIs and CBT
