“Working model of the child interview”: Infant clinical status related to maternal perceptions

Parental perceptions and subjective experience of infants have long been considered important in clinical work with infants and families. Using three different samples of infants, we compare mothers' representations of their infants in clinically referred and nonreferred groups, using the Working Model of the Child Interview (WMCI). Twenty-four mothers of infants with failure to thrive (and 25 matched controls), 17 mothers of toddlers with sleep disorders (and 20 matched controls), and 13 mothers of infants seen in a general infant psychiatry clinic participated. Compared to their nonclinical counterparts, mothers of infants with clinical problems had representations of their infants that were significantly more likely to be classified distorted or disengaged. Infant gender, age, and birth order were independent of maternal classifications. We conclude that the WMCI is a useful structured interview to categorize mothers' perceptions and subjective experience of their infant and relationship with the infant. Mothers' WMCI classifications are associated with the clinical status of the infant. © 1997 Michigan Association for Infant Mental Health     

Influences on Counselor Race Preferences: Distinguishing Black Racial Attitudes From Black Racial Identity

The authors examined differential contributions of Black racial identity and racial attitudes toward Whites in determining counselor preferences. Results indicated that racial attitudes accounted for a significant portion of the variance in same‐race counselor preference. In addition, Black racial attitudes were distinguished from racial identity as independent contributors to counselor preferences. Los autores examinaron contribuciones diferenciales de indentidad racial y actitudes raciales de individuos Negros hacia Blancos para determinar las preferencias por un consejero u otro. Los resultados indicaron que las actitudes raciales se hallaban detrás de una porción significativa de la varianza en la preferencia por un consejero de la misma raza. Además, las actitudes raciales de individuos Negros se distinguieron de la identidad racial como factores independientes de influencia en las preferencias por ciertos consejeros.     

A simple method of producing discrete subcortical lesions using radio-frequency currents

The described procedures represent an evaluation of the use of radio frequency currents in the production of discrete subcortical brain lesions. The methods described and the electrodes used indicated that RF lesion size was closely and linearly related to a simple V dc index and that the resultant lesions were equally distributed around the position of the lesion electrode with extremely smooth and consistent perimeters.     

Ontogenetic changes in the neural mechanisms of eyeblink conditioning

The rodent eyeblink conditioning paradigm is an ideal model system for examining the relationship between neural maturation and the ontogeny of associative learning. Elucidation of the neural mechanisms underlying the ontogeny of learning is tractable using eyeblink conditioning because the necessary neural circuitry (cerebellum and interconnected brainstem nuclei) underlying the acquisition and retention of the conditioned response (CR) has been identified in adult organisms. Moreover, the cerebellum exhibits substantial postnatal anatomical and physiological maturation in rats. The eyeblink CR emerges developmentally between postnatal day (PND) 17 and 24 in rats. A series of experiments found that the ontogenetic emergence of eyeblink conditioning is related to the development of associative learning and not related to changes in performance. More recent studies have examined the relationship between the development of eyeblink conditioning and the physiological maturation of the cerebellum, a brain structure that is necessary for eyeblink conditioning in adult organisms. Disrupting cerebellar development with lesions or antimitotic treatments impairs the ontogeny of eyeblink conditioning. Studies of the development of physiological processes within the cerebellum have revealed striking ontogenetic changes in stimulus-elicited and learning-related neuronal activity. Neurons in the interpositus nucleus and Purkinje cells in the cortex exhibit developmental increases in neuronal discharges following the unconditioned stimulus (US) and in neuronal discharges that model the amplitude and time-course of the eyeblink CR. The developmental changes in CR-related neuronal activity in the cerebellum suggest that the ontogeny of eyeblink conditioning depends on the development of mechanisms that estavlish cerebellar plasticity. Learning and the induction of neural plasticity depend on the magnitude of the US input to the cerebellum. The role of developmental changes in the efficacy of the US pathway has been investigated by monitoring neuronal activity in the inferior olive and with stimulation techniques. The results of these experiments indicate that the development of the conditioned eyeblink response may depend on dynamic interactions between multiple developmental processes within the eyeblink neural circuitry.     

The impact of childbirth settings and maternal medication on infant behaviors

The Brazelton Neonatal Behavioral Assessment Scale (BNBAS) was administered to 61 full-term, healthy newborns between 7–10 days of age. Three groups of newborns made up the sample: 23 babies were born at planned home births to nonmedicated mothers, 22 were born in the hospital to nonmedicated mothers, and 16 neonates were born in the hospital to mothers who received obsteric medication. Analysis of variance indicated a significant F ratio on the BNBAS cluster for orienting behaviors; comparison of the BNBAS scores of the three groups revealed a significant difference on the BNBAS cluster for orienting behavior between the home-born babies and infants born in the hospital to mothers who received obsteric medication. There was no significant difference between groups for medication or birth setting alone, suggesting these perinatal factors have a complex, perhaps synergistic effect on newborn behavior.     

Increasing Efficiency in Military Learning: Theoretical Considerations and Practical Applications

Given the fundamental importance of higher-order cognitive skills for military personnel, increasing learning efficiency during training is paramount. The current article expands upon the state-based information-loss processing model, a comprehensive framework elucidating the processes involved in acquiring higher-order cognitive skills, to enumerate best practices for military training. Emphasis is placed on identifying empirically supported, state-of-the-art learning efficiency strategies and methodologies to address points of information loss throughout the learning process. Implications and pragmatic recommendations for simulation-based military training are discussed.     

Psychological Distress in Orphan,Vulnerable Children and Non-Vulnerable Children in High Prevalence HIV/AIDS Communities

The degree of psychological distress and access social support is investigated in children (n = 741) living in nine high prevalence HIV/AIDS communities. They comprised (i) vulnerable, maternally-orphaned (n = 319); (ii) vulnerable and not orphaned (n = 276); and (iii) typically developing (n = 146). The following psychometric tests were administered: The Trauma Symptom Checklist for Children (Townsend, 2002); the Reynolds Depression Scale for Children (Reynolds, 1989); and the Social Support Scale (Beale Spencer, Cole, Jones & Phillips Swanson, 1997). Primary caregivers completed the Conners' Parent Rating Scale (Conners, Parker, Sitarenios, & Epstein, 1998) and an Adversity Index (Killian, 2004a) to establish the vulnerability status of each child. The data were analysed to distinguish the groups from each other regarding profiles of distress. The findings suggest that vulnerable children, be they orphaned or not, manifest similar degrees of emotional distress and perceived themselves as unable to access social support. Interventions should address the needs of both orphans and other vulnerable children, without prioritising the needs of orphans over other vulnerable children.     

Teachers' judgments of preschoolers' creativity

This study investigated the relationship of objective measures of preschoolers' ideational fluency and intelligence to teachers' ratings of creativity and desirability. The sample of 60 4-yr.-olds and 39 teachers were from six classrooms. Teachers' ratings of creativity were related to measures of intelligence (r = .46, p less than .001) but not to ideational fluency (r = .10). These findings are discussed in relation to possible halo effects and the ability to discriminate adequately cognitive abilities among preschool children.     

Effects of training in rapid decoding on the reading comprehension of adult ESL learners

We report an experimental investigation of the effects on comprehension of increasing the decoding speed of three adult learners of English as a Second Language (ESL). Participants were taught to read lists of 25 difficult words in isolation until they could read the entire list at a mean rate of not more than 1.5 secs per word. They were then asked to read passages containing these words. Decoding speed and accuracy measures, for both the word lists and passages, and passage comprehension measures, were obtained. In a temporally contiguous within-subjects repeated trials reversal design, decoding training on isolated words was shown to be associated with significant increases in decoding speed and accuracy both in isolation and context, and improvements in the participants' comprehension. With all participants rate and accuracy gains in context were maintained in the final reversal phase, though the comprehension score gains did not. These results are discussed in terms of their implications for a decoding sufficiency hypothesis.