Question 1

Results of research showing that auditory hallucinations are localized in the expressive speech area of the brain suggest that

Accepted Answer

The research suggests that auditory hallucinations are localized in the expressive speech area of the brain, indicating that the person who is hallucinating is actually listening to their own thoughts. This rules out options A, B, and D, as they do not align with this finding.

Question 2

Dr. Smith conducted a research study involving schizophrenic adults in which her looked at their facial expressions in home movies taken when they were children. He was trying to determine if the development of schizophrenia could be predicted by facial expressions showing limited emotional reactions. This research study focused on the negative symptom called .

Accepted Answer

Affective flattening is the negative symptom of schizophrenia characterized by a lack of emotional expression or limited emotional reactions. Dr. Smith's study examined the facial expressions of schizophrenic adults in childhood home movies to see if affective flattening could be detected early on and used as a predictor of schizophrenia development.

Question 3

Which of the following is closely associated with catatonia?

Accepted Answer

Waxy flexibility, a symptom of catatonia, involves a person maintaining a rigid body position after being placed in it by someone else. Negative withdrawal, repetitive echolalia, and agitation are not as closely associated with catatonia as waxy flexibility.

Question 4

According to research, an individual with schizophrenia who exhibits flat affect

Accepted Answer

Individuals with schizophrenia who exhibit flat affect are capable of experiencing emotions, but they may have difficulty expressing them outwardly. Flat affect refers to a severe reduction in emotional expressiveness, not an absence of feelings.

Question 5

Research using brain-imaging techniques has localized auditory hallucinations in the part of the brain called _____________.

Accepted Answer

The answer of Research using brain-imaging techniques has localized auditory...

Question 6

Callie has been diagnosed with schizoaffective disorder. This means that in addition to schizophrenic symptoms, she also has symptoms of

Accepted Answer

Schizoaffective disorder is characterized by both symptoms of schizophrenia (such as delusions and hallucinations) and symptoms of a mood disorder (such as depression or mania). Therefore, the best answer is B, a mood disorder.

Question 7

One explanation for the fact that the parts of the brain usually associated with producing rather than comprehending speech are active when one is experiencing an auditory hallucination is that such individuals are actually

Accepted Answer

When experiencing auditory hallucinations, the individual is essentially "hearing" their own thoughts as if they are coming from an external source. Therefore, it makes sense that the parts of the brain associated with producing speech would be active, as the individual is essentially producing their own thoughts out loud.

Question 8

How do the delusions in delusional disorder differ from the delusions in paranoid schizophrenia?

Accepted Answer

In delusional disorder, the imagined events could potentially be happening but there is no evidence to support that they are actually happening. In paranoid schizophrenia, the imagined events are not happening in reality and are often more bizarre in nature.

Question 9

Mark was diagnosed with schizophrenia many years ago. Most recently, he has been exhibiting some bizarre behaviors. For example, he stands for hours in unusual postures. Mark's motor dysfunction is called __________________.

Accepted Answer

Catatonic immobility is a motor dysfunction associated with schizophrenia. It is characterized by prolonged periods of stillness and lack of response to stimuli, often in unusual or bizarre postures. Cognitive slippage, inappropriate affect, and hebephrenia are other symptoms of schizophrenia, but they do not relate to motor dysfunction.

Question 10

At various times, individuals have been arrested for stalking celebrities who they believed were in love with them. This condition is called a(n) delusion.

Accepted Answer

The specific condition described in the sentence is erotomanic delusion, which is a subtype of delusional disorder. This is characterized by the persistent belief that someone of higher status, typically a celebrity or public figure, is in love with the individual, despite evidence to the contrary.

Question 11

Marshall has suffered from several symptoms that indicate a schizophrenia-related condition, but his symptoms have only been present for 4 months. Which of the following would be the appropriate diagnosis?

Accepted Answer

Schizophreniform disorder is diagnosed when an individual experiences symptoms of schizophrenia for at least one month but less than six months. Since Marshall has only had symptoms for four months, this would be the most appropriate diagnosis. Brief psychotic disorder may be considered if the symptoms are present for less than one month, while delusional disorder and schizoaffective disorder have longer durations of symptoms.

Question 12

Mort has displayed a number of schizophrenic symptoms. An obvious one was his lack of speech content manifested in nonsensical ramblings and slowed speech response. This symptom is called .

Accepted Answer

Alogia refers to a reduction in speech output and quality, often manifested as brief and empty replies or delayed responses. This is a common negative symptom of schizophrenia. Anhedonia refers to a loss of interest or pleasure in previously enjoyable activities, avolition refers to a lack of motivation or difficulty initiating and completing tasks, and clanging refers to speech that is driven by sound associations rather than meaning. While these symptoms may also be present in schizophrenia, they do not specifically describe the symptom mentioned in the question.

Question 13

DSM-5 no longer specifies different subtypes of schizophrenia, but in DSM-IV-TR the subtype called paranoid schizophrenia was characterized by

Accepted Answer

Paranoid schizophrenia was characterized by delusions of grandeur or persecution.

Question 14

Which of the following defines the jealous type of delusional disorder?

Accepted Answer

The jealous type of delusional disorder is characterized by a false belief that one's sexual partner is unfaithful.

Question 15

The negative schizophrenic symptom called avolition is defined as

Accepted Answer

Avolition is specifically characterized by a lack of motivation or ability to initiate and persist in activities, regardless of their potential rewards or already existing responsibilities.

Question 16

Which of the following is the most accurate definition of flat affect?

Accepted Answer

Flat affect refers to a lack of emotional response, often characterized by a blank facial expression.

Question 17

Marta, a hospitalized schizophrenic patient, shows an unusual form of catatonia. If someone moves one of her arms or legs into a different position, it just stays that way. Marta's bizarre behavior is called .

Accepted Answer

Marta's behavior is characteristic of waxy flexibility, which is a symptom of catatonia where individuals maintain a body position that they are placed in, even against gravity or without external support.

Question 18

The negative schizophrenic symptom called anhedonia is defined as

Accepted Answer

Anhedonia is defined as the inability to experience pleasure, which is a negative symptom of schizophrenia. Inability to initiate and persist in activities is avolition, lack of emotional response and blank facial expression is alogia, and lack of speech content and/or slowed speech response is flat affect or poverty of speech, which are also negative symptoms of schizophrenia. However, the definition of anhedonia specifically refers to the inability to experience pleasure.

Question 19

Which of the following is the definition of catatonia?

Accepted Answer

Catatonia is a state of immobility or agitated excitement, often seen in severe mental illnesses such as schizophrenia.

Question 20

The most common type of hallucination experienced by psychotic individuals is .

Accepted Answer

Auditory hallucinations are the most common type experienced by individuals with psychosis, often manifesting as voices speaking to or about the individual. Visual hallucinations, tactile hallucinations (e.g. feeling something touching the skin that isn't there), and olfactory hallucinations (smelling something that isn't there) are also possible but less common.

Quiz 13: Schizophrenia Spectrum and Other Psychotic Disorders