Abstract：
:Evidence of subtle neuropsychological deficits in relatives of schizophrenic probands (REL-SZs) suggests that these are risk indicators for schizophrenia, but little is known about whether neuropsychological performance in REL-SZs differs from that in other groups of relatives. We compared neuropsychological function in female REL-SZs (n = 39), relatives of primarily psychotic bipolar disorder probands (REL-BPs; n = 15), and a normal control group (n = 44). After adjustment for expected intellectual ability (based on reading recognition), REL-SZs showed deficits in verbal and visual memory (Wechsler Memory Scale-Revised logical memories, visual reproductions), and auditory attention (dichotic digits) compared with either REL-BPs or control subjects. Memory, but not dichotic listening differences remained significant after adjusting for current IQ; however, average effect sizes after controlling for either reading or IQ were roughly comparable for these three parameters (d = 0.80, 0.71, and 0.69, respectively). REL-BPs and control subjects showed little difference. Although both schizophrenic and bipolar patients often manifest neuropsychological dysfunction, these preliminary findings indicate subtle neuropsychological deficits only in REL-SZs. Such differences suggest different underlying processes; neuropsychological impairment may, in part, reflect an expression of genetic liability to schizophrenia but not bipolar disorder. Replication with a larger REL-BP sample and with male relatives is needed to evaluate the generalizability of the results.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Kremen WS,Faraone SV,Seidman LJ,Pepple JR,Tsuang MTdoi
10.1016/s0165-1781(98)00042-0subject
Has Abstractpub_date
1998-07-13 00:00:00pages
227-40issue
3eissn
0165-1781issn
1872-7123pii
S0165-1781(98)00042-0journal_volume
79pub_type
杂志文章abstract：:Neuroleptic dosage was reduced by 10% every 2 weeks in five male hyponatremic polydipsic patients with schizophrenia. Mean dose fell from 1980 +/- 1289 to 631 +/- 135 chlorpromazine equivalents/day over a mean of 12.2 weeks until behavioral relapse occurred. During this time, serum sodium did not vary from baseline le...
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