The relationship between parental controlling behavior and perceptions of control of preadolescent children and adolescents.

Previous research has suggested that a noncontrolling, independence-encouraging parenting style is correlated with children's having an internal locus of control. In the present study, children's and adolescents' reports of parent behaviors were used. Parental acceptance and child-centeredness were found to be related to more internal control beliefs in both preadolescent children and adolescents. Parental controlling behavior, however, was related to more internal control beliefs in preadolescent children and more external control beliefs in adolescents. The relationships among structure, parent controlling behavior, and the age and developmental level of children are discussed.

Phase I study of a five-day dose schedule of 4-Ipomeanol in patients with non-small cell lung cancer.

The mammalian pulmonary toxin 4-ipomeanol (IPO) is activated by the cytochrome P450 system in bronchial Clara cells in animals. The resulting metabolites bind rapidly to macromolecules, producing localized cytotoxicity. IPO has in vitro and in vivo antitumor activity in non-small cell lung cancer (NSCLC) and thus was proposed as a lung cancer-specific antitumor agent. We have completed a directed Phase I trial in patients with NSCLC. Forty-four patients (34 men and 10 women) with NSCLC were treated with IPO. All but two patients had an Eastern Cooperative Oncology Group performance status of 0 or 1. They received 91 courses of therapy with i.v. IPO; 82 courses were administered daily for five days, and 9 were single bolus doses. The dose-limiting toxicity of elevated serum transaminases was observed in three of seven patients at 922 mg/m2/day. The maximum tolerated dose was 693 mg/m2/day on 5 consecutive days every 3 weeks. One patient developed grade 4 pulmonary toxicity at 167 mg/m2/day. There was no significant hematological or renal toxicity. No objective antitumor responses were observed. Pharmacokinetic analysis of 39 patients from day 1 of IPO administration showed biexponential elimination with mean half-lives of 8.6 (alpha half-life) and 76 min (beta half-life). There was a linear relationship between the area under the plasma drug concentration-time curve and the dose of IPO. There was no significant difference between the pharmacokinetic parameters measured on day 1 and day 5. Using a 4-day in vitro cytotoxicity assay, two tumor cell lines established from patients treated at 693 mg/m2/day had IC50s of approximately 6 mM, a concentration more than 75-fold higher than the plasma levels measured in these patients. Thus, although the total amount of drug administered per cycle on a daily times five dose schedule is more than 2.5-fold higher than the recommended single daily dose, IPO is unlikely to be a useful drug for patients with lung cancer.

The relationship between parental locus of control and children's perceptions of control.

Parents' beliefs about locus of control in relation to their children were measured. Previous studies have failed to find a relationship between parental locus of control and children's locus of control. The results of this study indicate that an external parental locus of control was related to children's attributing their successes and failures to unknown causes. There was also a strong correlation between parental locus of control and children's behavior toward the parent.

Expression of c-fos protein in rat brain elicited by electrical stimulation of the pontine parabrachial nucleus.

The expression of Fos, the protein product of the primary response gene c-fos, was used metabolically to map the short-term (1 hr) effects of urethane and sodium pentobarbital anesthesia in rat. Subsequently, urethane-anesthetized rats were used to study the integrated response to electrical stimulation (1-1.5 hr) of the pontine parabrachial nucleus (PBN), an important center for relay of autonomic information in the brain. Immunohistochemistry was used to localize Fos-like immunoreactivity (FLI) in the brain. To approximate amounts of FLI in the conscious animal, rats were killed immediately after attaining surgical anesthesia with sodium pentobarbital (50 mg/kg) or urethane (1.2-1.7 gm/kg). No FLI was found in the brains of these rats. In rats killed 1 hr after anesthesia with sodium pentobarbital, FLI was found only in the habenulae. After 1 h of urethane anesthesia, low levels of FLI were found in the following areas: nucleus of the tractus solitarius (NTS); caudal and rostral ventrolateral medulla (VLM); lateral PBN; ventromedial, paraventricular, and supraoptic nuclei (SON) of the hypothalamus; medial preoptic area; central nucleus of the amygdala (ACE); endopiriform cortex; insular cortex; piriform cortex; and islands of Calleja. Electrical stimulation of the PBN (10 sec on, 10 sec off; 15-50 microA at 20 Hz for 60-90 min) in rats anesthetized with urethane led to increases in mean arterial pressure (10-30 mm Hg) and to ipsilateral increases of FLI in the lateral PBN, dorsal division of SON, ACE, endopiriform nucleus, insular cortex, piriform cortex, and islands of Calleja. In two animals, ipsilateral increases were found in the ventromedial hypothalamus and medial amygdaloid nucleus.(ABSTRACT TRUNCATED AT 250 WORDS)

Prevalence of dual diagnoses of mental and substance abuse disorders in general hospitals.

Data from a 1980 discharge survey of general hospitals were analyzed to determine the prevalence of cases with coexisting diagnoses of mental and substance abuse disorders. Twelve percent of total cases (or 208,000 episodes) had dual diagnoses, a proportion similar to that found in another analysis of 1985 data. Of these cases, 55.5 percent had a primary diagnosis of an alcohol or drug disorder, most commonly alcohol- or drug-induced organic brain syndrome. Thirty-four percent of cases with a primary diagnosis of mental disorder had depressive neurosis, 24 percent had psychosis, and 19 percent had personality disorder. An additional 18.9 percent of all cases had two or more mental or substance abuse disorders. Dual-diagnosis cases had a shorter mean hospital stay than cases with mental disorder only.

Characteristics of psychiatric discharges from nonfederal, short-term specialty hospitals and general hospitals with and without psychiatric and chemical dependency units: the Hospital Discharge Survey data.

Hospitalization for mental disorders (Major Diagnostic Categories 19 and 20) was examined using the 1980 Hospital Discharge Survey (HDS) data. We added to the HDS data by noting whether each hospital had a specialized psychiatric and/or chemical dependency unit, especially noting short-term specialty psychiatric and chemical dependency hospitals. Of the approximately 1.7 million episodes with MDC-19 and -20 diagnoses in the nation's nonfederal short-term hospitals in 1980, 13.5 percent were in specialty hospitals. Of the remaining general hospital episodes: 31 percent occurred in hospitals with only psychiatric units, 5 percent in hospitals with only chemical dependency units, 31 percent in hospitals with both types of specialized treatment units, and 33 percent in hospitals with neither type of unit. The last figure is much less than previously thought. The five hospital types may be arrayed on a continuum of resource utilization and severity of cases treated, with general hospitals with no special units at one end, specialty hospitals at the other, and general hospitals with psychiatric or chemical dependency units intermediate. Presence or absence of a chemical dependency unit influences a hospital's profile in this regard, particularly for MDC-20. Future studies should take into account the presence of a chemical dependency unit.

The status of psychological testing in clinical psychology: relationships between test use and professional activities and orientations.

A survey of clinical psychologists determined that both objective and projective tests were used with high frequency. The two tests clinicians most frequently recommended clinical students learn to administer were projective (the Rorschach and the TAT) and, among the 10 most frequently recommended tests, projective tests were recommended approximately 30% more often than objective tests. Clinicians who were frequent test users recommended both objective and projective tests more often than those not using tests. Clinicians doing substantial teaching and research tended to recommend projective tests less often than clinicians not engaged in those activities. Behavior therapists recommended projective tests less often than eclectic, Freudian, and neo-Freudian therapists.