Enhancement of Cognitive Performance in Schizophrenia by Addition of Tandospirone to Neuroleptic Treatment

Tomiki Sumiyoshi, Mié Matsui, Shigeru Nohara, +5

American Journal of Psychiatry

The effect of tandospirone, a serotonin1A agonist, on memory function in schizophrenia

Tomiki Sumiyoshi, Mié Matsui, Ikiko Yamashita, +6

Biological Psychiatry

Memory FunctionPsychoactive DrugPsychiatryPsychotic DisorderMedicine +11

Disorganization of semantic memory underlies alogia in schizophrenia: An analysis of verbal fluency performance in Japanese subjects

Chika Sumiyoshi, Tomiki Sumiyoshi, Shigeru Nohara, +4

Schizophrenia Research

Cognitive SciencePsychiatryNeurolinguisticsSpeech Fluency DisorderMemory +11

Estimated cognitive decline in patients with schizophrenia: A multicenter study

Haruo Fujino, Chika Sumiyoshi, Yuka Yasuda, +24

Psychiatry and Clinical Neurosciences

Semantic structure in schizophrenia as assessed by the category fluency test: Effect of verbal intelligence and age of onset

Chika Sumiyoshi, Mié Matsui, Tomiki Sumiyoshi, +3

Psychiatry Research

Neuropsychological FunctioningCognitive SciencePsychiatryPsychotic DisorderNeurolinguistics +12

Impaired ability to organize information in individuals with autism spectrum disorders and their siblings

Chika Sumiyoshi, Yuki Kawakubo, Motomu Suga, +2

Neuroscience Research

Child PsychologyBehavioral SciencesCognitive ScienceAutism Spectrum DisordersSyndromic Autism +9

Effect of perospirone on P300 electrophysiological activity and social cognition in schizophrenia: A three-dimensional analysis with sLORETA

Tomiki Sumiyoshi, Yuko Higuchi, Tôru Itoh, +6

Psychiatry Research Neuroimaging

Cognitive ScienceThree-dimensional AnalysisPsychiatryPsychotic DisorderMedicine +9

Performance on the <scp>W</scp>echsler <scp>A</scp>dult <scp>I</scp>ntelligence <scp>S</scp>cale‐<scp>III</scp> in <scp>J</scp>apanese patients with schizophrenia

Haruo Fujino, Chika Sumiyoshi, Tomiki Sumiyoshi, +11

Psychiatry and Clinical Neurosciences

Atypical antipsychotic drugs and organization of long-term semantic memory: multidimensional scaling and cluster analyses of category fluency performance in schizophrenia

Chika Sumiyoshi, Tomiki Sumiyoshi, Ajanta Roy, +2

The International Journal of Neuropsychopharmacology

NeuropsychologySemantic ProcessingPsychopharmacologyNeuropsychiatryPsycholinguistics +19

Usefulness of the Wechsler Intelligence Scale short form for assessing functional outcomes in patients with schizophrenia

Chika Sumiyoshi, Haruo Fujino, Tomiki Sumiyoshi, +6

Psychiatry Research

Neuropsychological FunctioningPsychopathologyFunctional OutcomesPsychiatryPsychiatric Evaluation +8