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A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research

This paper includes a detailed description of a familiarization protocol, which is used as an integral component of a larger research protocol to collect ...

Southern Connecticut State University

In response to the effects of the managed care environment on patient flow and care, the department of psychiatry and behavioral sciences of the Johns Hopkins School of Medicine developed and has been managing a capitated behavioral health care program. The program is responsible for providing mental health and substance abuse services for 22,000 members of the TRICARE Uniformed Services Family Health Plan (USFHP), directed by the U.S. Department of Defense. The integration of primary care and behavioral health care is a major feature of the USFHP/TRICARE program. The authors describe the transition from a carve-out for-profit managed care organization to the integrated program managed by the department. During the first two years of the program, access to services increased and use of inpatient services decreased without the need to deny service use. To supplement previous reports of the involvement of academic psychiatry departments in behavioral health care, the authors supply utilization and financial data that may serve as benchmarks for similar efforts by other departments.

A model for managed behavioral health care in an academic department of psychiatry.

Managed care and academic psychiatry.

To optimize the in vitro production of Choristoneura fumiferana nucleopolyhedrovirus (CfMNPV) as a potential microbial pest control agent, the pathogenicity of occlusion bodies (OBs) produced in two cell lines at three incubation temperatures was determined by bioassay. A plaque-purified isolate of CfMNPV was amplified in permissive C. fumiferana cell lines, FPMI-CF-203 and FPMI-CF-2C1, and incubated at 22, 24, and 28 degrees C. Occlusion bodies propagated in FPMI-CF-203 cells at 28 degrees C were significantly larger (17.5 microm(3)) and more pathogenic (LD(50) = 27; LD(95) = 185, where LD(50) and LD(95) are doses required to kill 50 and 95% of the test larvae, respectively) than those produced in either of the cell lines at any of the incubation temperatures tested. Increased temperatures yielded larger OBs from both cell lines. The pathogenicity of OBs propagated in the FPMI-CF-203 cell line increased with incubation temperature, whereas that of OBs produced in FPMI-CF-2C1 cells decreased. Comparison of the pathogenicity of OBs, whether naturally occurring or genetically modified, should be standardized by cell line and incubation temperature used for propagation. Production efficiency decreased with increasing incubation temperature for each cell line. Lower incubation temperatures used for propagation, and standardization of the titer of viral inoculum, should be further investigated to determine the economic feasibility of the in vitro production of CfMNPV as a microbial pest control agent.

Pathogenicity of Choristoneura fumiferana nucleopolyhedrovirus propagated in vitro at different incubation temperatures.

The morphological and molecular responses of a midgut-derived cell line of the spruce budworm, Choristoneura fumiferana, to 20-hydroxyecdysone (20E) and the nonsteroidal ecdysone agonist, tebufenozide (RH-5992), were investigated. The cells responded to these compounds by clumping, generating filamentous extensions, increased mortality and expression of the transcription factor, Choristoneura hormone receptor 3 (CHR3). This cell line can be used as a model system to study the mode of action of ecdysone and its agonists. With subsequent passaging in ecdysteroid-containing medium, the degree of clumping increased and the clumping could not be reversed by subculturing in ecdysteroid-free medium. Cell numbers of the adapted cell lines in 20E and RH-5992 containing media were not significantly decreased, compared to the control, but both cell lines accumulated less (14)C-labeled RH-5992 and lost the capability of expressing CHR3 in response to these compounds. Taken together, the cell lines appeared to develop a mechanism to adapt to the toxic effects of these compounds. Arch. Insect Biochem. Physiol. 55:68-78, 2004.

Morphological and molecular effects of 20-hydroxyecdysone and its agonist tebufenozide on CF-203, a midgut-derived cell line from the spruce budworm, Choristoneura fumiferana.

Electronic prescribing at Johns Hopkins Community Physicians: a success story.

Uninsured individuals face multiple barriers to accessing specialty care. The Access Partnership (TAP) offers free specialty care and care coordination to qualified uninsured patients at an urban academic medical center for a small program entry fee (waived for financial hardship). In the program's first year, 104 eligible patients (31%) did not enroll. To understand why, we investigated demographic, referral, personal, and program-specific factors. After adjusting for age, gender, and ZIP code, diagnostic and therapeutic referrals were more likely to be completed than ancillary referrals (OR=8.56, p=.001; OR 3.53, p=.03). There was no difference between pain related and ancillary referrals (OR=2.80, p=.139). Eighteen patients were surveyed and reported program and patient-specific barriers. While removing costs is necessary to improve access to specialty care for underserved patients, it is insufficient. Improving communication from program coordinators and enrollment strategies may help to improve utilization of free care programs by the uninsured.

Identifying patient, community and program specific barriers to free specialty care utilization by uninsured patients in East Baltimore.

The Access Partnership is a program linking uninsured patients with primary and specialty care. Expansion of primary care access resulted in an influx of patients with multiple chronic conditions, causing the primary care practice to reach capacity after seven months. Our program may provide lessons in ensuring primary care access as the Affordable Care Act is implemented.

Coverage isn't enough: building primary care capacity in the setting of health reform.

When a speaker talks, the consequences of this can both be heard (audio) and seen (visual). A novel visual phonemic restoration task was used to assess behavioral discrimination and neural signatures (event-related potentials, or ERP) of audiovisual processing in typically developing children with a range of social and communicative skills assessed using the social responsiveness scale, a measure of traits associated with autism. An auditory oddball design presented two types of stimuli to the listener, a clear exemplar of an auditory consonant-vowel syllable /ba/ (the more frequently occurring standard stimulus), and a syllable in which the auditory cues for the consonant were substantially weakened, creating a stimulus which is more like /a/ (the infrequently presented deviant stimulus). All speech tokens were paired with a face producing /ba/ or a face with a pixelated mouth containing motion but no visual speech. In this paradigm, the visual /ba/ should cause the auditory /a/ to be perceived as /ba/, creating an attenuated oddball response; in contrast, a pixelated video (without articulatory information) should not have this effect. Behaviorally, participants showed visual phonemic restoration (reduced accuracy in detecting deviant /a/) in the presence of a speaking face. In addition, ERPs were observed in both an early time window (N100) and a later time window (P300) that were sensitive to speech context (/ba/ or /a/) and modulated by face context (speaking face with visible articulation or with pixelated mouth). Specifically, the oddball responses for the N100 and P300 were attenuated in the presence of a face producing /ba/ relative to a pixelated face, representing a possible neural correlate of the phonemic restoration effect. Notably, those individuals with more traits associated with autism (yet still in the non-clinical range) had smaller P300 responses overall, regardless of face context, suggesting generally reduced phonemic discrimination.

Barbara Cook

Department of Communication Sciences and Disorders

Southern Connecticut State University

A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research

Barbara Cook

.css-o250i3{font-size:18px;font-family:Open Sans,sans-serif;line-height:21.6px;}Department of Communication Sciences and Disorders

Southern Connecticut State University

A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research

Department of Communication Sciences and Disorders