Noves espècies de cinípids cecidògens per a Catalunya i per a la península ibèrica

Aquest treball agrupa un total de 10 espècies de cinipids cecidògens pertanyents a les tribus AYLAXINI i CYNIPINI, de les quals Aylax Rhoeadis Klug i Andricus sieboldi (=poissoni Folliot) (Htg) es citen per segona vegada a Europa. Les anteriors junt amb Andricus glandulae (=xanthopsis Schi) (Schi)són noves per a la Península Ibérica. Les restants són noves per a Catalunya. També corroborem la hipòtesi establerta per FOLLIOT (1964) sobre el cicle biològic d'Andricus sieboldi (Htg).This work joints a total of 10 species of cecidogenic cynipids belonging to the AYLAXINI and CYNIPINI tribes, from which Aylax rhoeadis Klug and Andricus sieboldi (=poissoni Folliot) (Htg) are cited for the second time in Europe. The formers together with Andricus glandulae (Schl) (=xanthopsis Schi) are new for the Iberian Peninsula. The laters are new for Catalonia We corroborate the hipotesis stablished by FOLLIOT (1964) on the biologic cycle of Andricus sieboldi (Htg)

CMD: A Multi-Channel Coordination Scheme for Emergency Message Dissemination in IEEE 1609.4

In the IEEE 1609.4 legacy standard for multi-channel communications in vehicular ad hoc networks(VANETs), the control channel (CCH) is dedicated to broadcast safety messages while the service channels (SCH's) are dedicated to transmit infotainment service content. However, the SCH can be used as an alternative to transmit high priority safety messages in the event that they are invoked during the service channel interval (SCHI). This implies that there is a need to transmit safety messages across multiple available utilized channels to ensure that all vehicles receive the safety message. Transmission across multiple SCH's using the legacy IEEE 1609.4 requires multiple channel switching and therefore introduces further end-to-end delays. Given that safety messaging is a life critical application, it is important that optimal end-to-end delay performance is derived in multi-channel VANET scenarios to ensure reliable safety message dissemination. To tackle this challenge, three primary contributions are in this article: first, a channel coordinator selection approach based on the least average separation distance (LAD) to the vehicles that expect to tune to other SCH's and operates during the control channel interval (CCHI) is proposed. Second, a model to determine the optimal time intervals in which CMD operates during the CCHI is proposed. Third, a contention back-off mechanism for safety message transmission during the SCHI is proposed. Computer simulations and mathematical analysis show that CMD performs better than the legacy IEEE 1609.4 and a selected state-of-the-art multi-channel message dissemination schemes in terms of end-to-end delay and packet reception ratio.Comment: 15 pages, 10 figures, 7 table

A survey of energy loss calculations for heavy ions between 1 and 100 keV

The original Lindhard-Scharff-Schi{\o}tt (LSS) theory and the more recent Tilinin theory for calculating the nuclear and electronic stopping powers of slow heavy ions are compared with predictions from the SRIM code by Ziegler. While little discrepancies are present for the nuclear contribution to the energy loss, large differences are found in the electronic one. When full ion recoil cascade simulations are tested against the elastic neutron scattering data available in the literature, it can be concluded that the LSS theory is the more accurate.Comment: Presented at the 10th International Symposium on Radiation Physics, 17-22 September, 2006, Coimbra, Portugal; style corrections, small change to fig.

Striatal cholinergic interneurons generate beta and gamma oscillations in the corticostriatal circuit and produce motor deficits

Cortico-basal ganglia-thalamic (CBT) neural circuits are critical modulators of cognitive and motor function. When compromised, these circuits contribute to neurological and psychiatric disorders, such as Parkinson's disease (PD). In PD, motor deficits correlate with the emergence of exaggerated beta frequency (15-30 Hz) oscillations throughout the CBT network. However, little is known about how specific cell types within individual CBT brain regions support the generation, propagation, and interaction of oscillatory dynamics throughout the CBT circuit or how specific oscillatory dynamics are related to motor function. Here, we investigated the role of striatal cholinergic interneurons (SChIs) in generating beta and gamma oscillations in cortical-striatal circuits and in influencing movement behavior. We found that selective stimulation of SChIs via optogenetics in normal mice robustly and reversibly amplified beta and gamma oscillations that are supported by distinct mechanisms within striatal-cortical circuits. Whereas beta oscillations are supported robustly in the striatum and all layers of primary motor cortex (M1) through a muscarinic-receptor mediated mechanism, gamma oscillations are largely restricted to the striatum and the deeper layers of M1. Finally, SChI activation led to parkinsonian-like motor deficits in otherwise normal mice. These results highlight the important role of striatal cholinergic interneurons in supporting oscillations in the CBT network that are closely related to movement and parkinsonian motor symptoms.DP2 NS082126 - NINDS NIH HHS; R01 NS081716 - NINDS NIH HHS; R21 NS078660 - NINDS NIH HHShttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4896681/Published versio

Differential detection of impact site versus rotational site injury by magnetic resonance imaging and microglial morphology in an unrestrained mild closed head injury model.

Seventy-five percent of all traumatic brain injuries are mild and do not cause readily visible abnormalities on routine medical imaging making it difficult to predict which individuals will develop unwanted clinical sequelae. Microglia are brain-resident macrophages and early responders to brain insults. Their activation is associated with changes in morphology or expression of phenotypic markers including P2Y12 and major histocompatibility complex class II. Using a murine model of unrestrained mild closed head injury (mCHI), we used microglia as reporters of acute brain injury at sites of impact versus sites experiencing rotational stress 24 h post-mCHI. Consistent with mild injury, a modest 20% reduction in P2Y12 expression was detected by quantitative real-time PCR (qPCR) analysis but only in the impacted region of the cortex. Furthermore, neither an influx of blood-derived immune cells nor changes in microglial expression of CD45, TREM1, TREM2, major histocompatibility complex class II or CD40 were detected. Using magnetic resonance imaging (MRI), small reductions in T2 weighted values were observed but only near the area of impact and without overt tissue damage (blood deposition, edema). Microglial morphology was quantified without cryosectioning artifacts using ScaleA(2) clarified brains from CX3CR1-green fluorescence protein (GFP) mice. The cortex rostral to the mCHI impact site receives greater rotational stress but neither MRI nor molecular markers of microglial activation showed significant changes from shams in this region. However, microglia in this rostral region did display signs of morphologic activation equivalent to that observed in severe CHI. Thus, mCHI-triggered rotational stress is sufficient to cause injuries undetectable by routine MRI that could result in altered microglial surveillance of brain homeostasis. Acute changes in microglial morphology reveal brain responses to unrestrained mild traumatic brain injury In areas subjected to rotational stress distant from impact site In the absence of detectable changes in standard molecular indicators of brain damage, inflammation or microglial activation. That might result in decreased surveillance of brain function and increased susceptibility to subsequent brain insults

Schizophrenia (and other psychotic disorders) cognitive-behaviour therapy research programme : a thesis presented in partial fulfilment of the requirements for the degree of Master of Arts in Psychology at Massey University

The present study evaluated the effectiveness of a treatment that combined techniques from Cognitive-Behaviour Therapy (CBT) and Acceptance and Commitment Therapy (ACT) to alleviate the psychological distress and symptom severity resultant from psychotic-type disorders. This treatment (EVoLVE Therapy: an acronym for Exposing Virtues of Living Valued Existences) was designed to primarily target the psychological distress associated with psychotic disorders and secondarily to facilitate improvement in psychotic-type symptoms. Participants in this study were selected based on previous diagnoses of schizophrenia, schizoaffective, and other psychiatric disorders with psychotic features. Seven participants, who had each been long-term consumers of mental health services, completed 10 weeks of therapy. Post-graduate students, in training to become professional psychologists, delivered supervised therapy using a structured treatment manual written by the researcher. Pre-treatment, post-treatment and 5-week follow-up data were collected, using a variety of measures to assess the effectiveness of treatment. Results were quite positive overall, with some clients making considerable improvements in a number of domains. All 7 participants showed a decrease in symptom severity after treatment. In addition, 6 out of the 7 participants reported an improved quality of life following treatment. Marked improvement in negative affect was also evident, with a slight improvement in positive affect noted