Difficulties in communication often arise between individuals with autism spectrum disorder and their treating physicians because both sides struggle to find a common ground. The story of Darmok and Jalad at Tanagra from Star Trek: The Next Generation nicely exemplifies how two populations that spoke different languages were still able to find a creative way to communicate with each other. This story is used as a metaphor to illustrate how a novel connection was made with a 19-year-old patient with autism spectrum disorder who was admitted to the inpatient psychiatric unit.
View Article and Find Full Text PDFBackground: Nonlocalizing neurologic deficits detectable by clinical evaluation-"soft signs"-are a robust finding in patients diagnosed with schizophrenia, but their conceptual and neuroanatomical correlates remain unclear. The purpose of this study was to evaluate the organization of these deficits and their clinical correlates using the Neurological Evaluation Scale (NES).
Methods: Ninety-three male veterans with schizophrenia and schizoaffective disorder were evaluated using a detailed clinical assessment that included the NES, the Extrapyramidal Symptom Rating Scale, the Abnormal Involuntary Movement Scale (AIMS), the Barnes Akathisia Scale, the Positive and Negative Syndrome Scale, the Wisconsin Card Sorting Test (WCST), the Schedule for the Deficit Syndrome (SDS), and the Digit Symbol Substitution Task (DSST).
Rationale: A growing number of investigators are studying ketamine effects in healthy human subjects, but concerns remain about its safety as a research tool. Therefore, it is timely to revisit the safety of subanesthetic doses of ketamine in experimental psychopharmacology studies.
Objective: To report on the safety of laboratory studies with subanesthetic doses of ketamine in healthy humans using an existing dataset.
Rationale: Sensitization to the effects of N-methyl-D-aspartate (NMDA) glutamate receptor antagonists is robust in animals. However, the applicability of this model to humans is unclear because it currently rests on highly confounded retrospective studies of individuals who experienced protracted psychoses following repeated binges with NMDA receptor antagonists.
Objectives: The purpose of the current study was to determine whether there was evidence of sensitization to the behavioral effects of ketamine in healthy human subjects with repeated exposure to this drug.
Rationale: Serotonin-2 (5-HT(2)) receptor antagonism has been hypothesized to have antipsychotic activity. However, there has been limited evidence directly linking 5-HT(2) receptor antagonism to symptom control in schizophrenic patients.
Objectives: In order to test this hypothesis this study evaluated the capacity of pretreatment with the 5-HT(2) receptor antagonist ritanserin to attenuate the effects of the 5-HT agonist, m-chlorophenylpiperazine (mCPP).