Horseradish peroxidase-conjugated goat anti-mouse IgG antibody (S

Horseradish peroxidase-conjugated goat anti-mouse IgG inhibitors antibody (Sigma) diluted 1:7500 in 2.5% BLOTTO was then added to all wells and incubated for 1 h at room temperature. All reactions were detected using TMB Microwell ELISA substrate (Kirkegaard and Perry Laboratories, Gaithersburg, Md.). The substrate was allowed to react for 10 min at room temperature, and then the reaction was stopped by adding an equal GDC-0941 cell line volume of 1 M H3PO4. Optical densities (OD) at 450 nm were determined with a Spectra Max 190 Plate Reader (Molecular Devices, Inc., Palatine, IL). End point titer values were determined as the reciprocal

of the highest dilution that had an absorbance value greater than or equal to 0.1 above the background value. End point titers

of antigen-specific antibody responses were determined for each individual animal. The geometric mean titers (GMTs) were determined for each group of mice. Standard errors were calculated for log-transformed titers. Statistical analyses were performed with SPSS version 10.0 for Windows (SPSS, Inc., Chicago, IL). Antibody titers or levels of antibodies between groups were compared by using the Kruskal–Wallis test followed by the Mann–Whitney U rank sum test. Animals immunized with 100 μg of KLH and either a 6 or 20 μg dose of full-length NSP4 as an adjuvant. Both doses of NSP4 exhibited a statistically significant (p = 0.04 Mann–Whitney U Test) 6-fold increase in KLH-specific serum IgG titers (GMT = 72,839) compared to the LY2157299 solubility dmso group of mice receiving KLH alone (GMT = 11,494) ( Fig. 1A) and so the lower dose was chosen for future experiments. In addition, those animals also showed significantly higher (p = 0.05, Mann–Whitney U Test) (>30-fold increase) KLH-specific fecal IgA antibody responses (GMT = 2302 ng/ml) compared to the antigen alone group (GMT = 71 ng/ml) ( Fig. 1B). Serum IgG and fecal IgA specific antibody levels decreased approximately 20-fold and 30-fold, respectively, when mice were inoculated with KLH co-administered with NSP4 compared to mLT (GMT; IgG = 1,447,738;

IgA = 74,083 ng/ml). L-NAME HCl When full-length NSP4 was given with TT (10 μg), it enhanced serum TT-specific total immunoglobulin (GMT = 11,143) responses (17-fold increase) to a greater extent than to those seen with KLH, when compared to the antigen alone group (Fig. 2A). However, in contrast to the enhanced fecal antibody responses observed when KLH was given as the antigen, there was no significant increase (p > 0.05, Mann–Whitney U Test) of TT-specific fecal antibody response in the group of animals that received NSP4 and TT as compared to TT alone ( Fig. 2B). In contrast to the observations with KLH and TT, NSP4 did not enhance serum antibody responses to OVA (GMT = 28,963) compared to the antigen alone (GMT = 15,521) group (Fig. 2C). However, a significantly higher level (11-fold increase; (p = 0.

Most people know the Taj Mahal, a mausoleum in Agra, India, as a

Most people know the Taj Mahal, a mausoleum in Agra, India, as a monument of love symbolizing the eternal love of a Mughal emperor Shah Jahan towards his wife Mumtaz. However, not many are aware that the Taj Mahal also tells the story of maternal death1 and, by extension, a host of issues surrounding it that is emblematic of reproductive health in India. Mumtaz died at young age of 39 years

on June 17, 1631 [2] due to postpartum haemorrhage [3] and from complications related to repeated childbirth [4]. These were preventable causes of maternal mortality, which are still common in India today. Despite great advances in medicines and technology in the last 382 years since then, many women in India still inhibitors suffer the fate of Mumtaz (maternal death). selleck screening library The maternal mortality ratio in India is 212 [5], one of the highest in Asia, and which has remained stubbornly high for years. The leading causes of maternal deaths in India ABT-199 chemical structure are postpartum haemorrhage leading to severe bleeding, sepsis, unsafe abortions, eclampsia, obstructed labour, etc. Despite being the first country

in the developing world to have an extensive network of primary health care units, well-articulated policy statements as well national disease control programmes, including family planning programme, India continues to have a high maternal mortality rate. The country does not lack good policies, but in the case of maternal mortality, surely it can be argued that perhaps a closer look at its delivery system, that is, the health system as a whole, is warranted MTMR9 if fewer women are to suffer the fate of Mumtaz. The Mughal emperor Shah Jahan (born in 1592 [2], reigned 1628–58) had built Taj Mahal in memory of his wife, Arjumand Banu Begum (1593–1631) [2], more popularly known as Mumtaz Mahal. At a young age, Shah Jahan saw Arjumand at the Royal Meena Bazaar on the streets of Agra

and fell in love with her [6]. In 1607, Shah Jahan had been betrothed to Arjumand Banu Begum, who was just 14 years old at that time [2]. It took five years for Shah Jahan to marry his beloved Mumtaz Mahal. Meanwhile, he was married to a Persian Princess Quandary Begum due to political reasons [2] and [6]. Shah Jahan at the age of 21 years married Arjumand Banu Begum (19 years) on an auspicious day on 10th May 1612 [2], [6] and [7]. Arjumand was very compassionate, generous and demure [6]. She was also involved in administrative work of the Mughal Empire and was given royal seal, Muhr Uzah by Shah Jahan [6]. She continually interacted on behalf of petitioners and gave allowances to widows [6] and [7]. She always preferred accompanying Shah Jahan in all his military/war campaigns [6].

He served as an advisor to various U S Surgeon General’s Advisor

He served as an advisor to various U.S. Surgeon General’s Advisory Committees on the Health Consequences of Tobacco Use, Canadian Advisory Committees on Involuntary Smoking and on Reduction of Cigarette Smoke Toxicity, the National Cancer Institute, the International Agency for Research on Cancer, and the World Health Organization’s

Study Group on Smokeless Tobacco. He was recognized for his contributions by many organizations, receiving the 1994 Westchester County Distinguished Chemist Award of the American Chemical Society, the 2001 Alton Ochsner Award Relating Smoking and Health (shared with Hecht), and the 2004 Tobacco Science Research Conference Lifetime Achievement Award. He was also inhibitors active in church and community affairs, and was Past President of St. Matthew’s Lutheran Church, White Plains, NY, and of the Steuben Society of America and its National Council. He is survived by his wife of 51 BKM120 mouse years, Ilse Hoffmann, who served for many years as Editorial Coordinator for this Journal (and who was herself a co-author of seven of his publications), and by two sons and a grandson. This material is based on public sources, the author’s personal experience, and an obituary circulated publicly by Hoffmann’s family. The author is supported

by Grants CA-94061 from the National Cancer Institute and U50OH009739 from the National Institute of Occupational Safety and Health. “
“Non-communicable diseases are now the leading cause of death world-wide FRAX597 mouse others (Beaglehole et al., 2011 and General Assembly of the United Nations, 2011). Obesity as a risk factor for a number of non-communicable diseases has become a public health priority (Beaglehole et al., 2011). The rising prevalence of obesity, coupled with the realisation that several of the determinants of obesity originate in or before childhood, has led to many preventative efforts being concentrated on children (Butland et al., 2007 and Procter,

2007). Moreover, schools, where children congregate to learn, eat, and share activities are readily accessible environments for prevention (Brown and Summerbell, 2009, Khambalia et al., 2012, Procter, 2007 and Procter et al., 2008). Within England it has been observed that the prevalence of obesity doubles during the period of primary education (4–11 years of age), leading to questions about whether schools themselves are obesogenic environments (Ridler et al., 2009). To date, no interventions which sought to affect the school environment or context have been found to have a lasting effect on the prevalence of obesity (Khambalia et al., 2012). Moreover, there is little empirical evidence of any impact of the school environment upon children’s weight status (Bonell et al., 2013, Williams et al., 2012 and Williams et al., 2013).

, 2012) Additionally, in adult mice it was shown that stress res

, 2012). Additionally, in adult mice it was shown that stress responsivity in adulthood was correlated with methylation of the CRH promoter ( Elliott et al., 2010). The effects of PNS exposure on CRH DNA methylation remains to be

studied. Another candidate gene through which epigenetic mechanisms may affect the PNS associated phenotype is BDNF. Roth and colleagues Modulators showed that early postnatal stress increased DNA methylation of BDNF exon IV (Roth et al., 2011). We recently showed that prenatal stress also increased DNA methylation of both exons IV and VI of the BDNF gene (Boersma et al., check details 2014b), implying that the decrease in expression of Bdnf in PNS offspring may be mediated by increased DNA methylation. The expression of the coding Bdnf exon IX has an inverted U-shape developmental pattern with peak levels between postnatal day P14 through P21, suggesting that this might be the critical period for BDNF action ( Das et al., 2001). Following this peak, Bdnf exon

IX expression levels decrease until P28 and then Bdnf exon IX expression levels remain stable through adulthood. Alterations in specific Bdnf exon expression may be important for neuronal development since the different Bdnf exons show different temporal expression patterns through development. Interestingly, the postnatal surge in BDNF protein seems to coincide with an increase in Bdnf exon IV expression suggesting that this exon might Fluorouracil molecular weight be important for BDNF levels during this period. Developmental patterns of expression of the specific Bdnf exons in response to PNS in brain regions important almost for stress related behaviors have not been studied. Therefore the roles of

specific Bdnf exons in the neuronal development of those specific brain regions after PNS exposure needs further study. In addition to having direct effects on the exposed offspring, prenatal stress exposure may also have effects on subsequent generations. Although the mechanism by which epigenetic modifications are transmitted to the next generation is not fully understood, more evidence has arisen indicating that, at least for some imprinted genes, epigenetic profiles can be maintained or re-programmed in the progeny (Borgel et al., 2010). In mice, it was shown that the effects of early postnatal maternal separation on social and depression-like behaviors were transmitted to both the F2 and F3 generations (Franklin et al., 2010, Franklin et al., 2011 and Weiss et al., 2011). Roth and colleagues showed that alterations in Bdnf gene expression and DNA methylation in the prefrontal cortex associated with reduced maternal care were found in both the F1 and F2 generations concurrent with altered maternal behavior in daughters (F1) and granddaughters (F2). Thus, epigenetic signatures and associated behaviors may be transmitted over multiple generations ( Roth et al., 2009).

The characteristics of the

recreational runners are prese

The characteristics of the

recreational runners are presented in Table 1. During the 12-week follow-up, 84 RRIs were registered by 60 (31%) of the 191 recreational runners analysed. The incidence of RRI in this 12-week follow-up was 10 RRIs per 1000 hours of running exposure. Of the injured runners, 70% (42/60) developed one RRI, 22% (13/60) developed two injuries, 7% (4/60) developed three injuries, and 2% (1/60) developed Lapatinib cell line four injuries. Of the runners that presented two or more RRIs in this study, 28% (5/18) represented recurrences. The mean duration of the RRIs registered in this study was 3.4 weeks (SD 2.3), an average of 3.9 running sessions per runner (SD 3.3) were missed due to RRIs, and the mean pain intensity of these injuries was 5.6 points (SD 2.3) on a 10-point scale. The type of RRI and anatomic region results are fully described in Table 2. Table 3 describes the results of the univariate GEE analysis. The variables with a p < 0.20 in this analysis were included in the multivariate GEE analysis, which is presented in Table 4. The training characteristics that were identified as risk factors for RRI in the final model were: previous RRI (OR 1.88, 95% CI 1.01 to 3.51), duration of training session (OR 1.01, 95% CI 1.00 this website to 1.02),

and speed training (OR 1.46, 95% CI 1.02 to 2.10). Interval training was identified as the protective factor against the development of RRIs (OR 0.61, 95% CI 0.43 to 0.88). The results of this study are Libraries relevant because they provide new information about the incidence of RRIs and modifiable predictive factors for RRI in recreational runners. The identification of the RRI incidence in recreational runners is important to monitor interventions PD184352 (CI-1040) that can influence the rate of RRI in this population. In addition, the identification of modifiable risk factors is important because this may lead to modifications in the injury risk profile and the information can be used in

the development of preventive interventions. The incidence of RRI found in this study (31%) was lower than those previously reported: 79% at six months follow-up (Lun et al 2004) and 51% at 12 months follow-up (Macera et al 1989) in recreational runners not enrolled or training to participate in races. This may be explained by these previous studies using longer follow-up and different RRI definitions. While these previous studies considered a reduction of the running volume due to injury enough to define a RRI (Lun et al 2004, Macera et al 1989), our study used a more rigorous criterion (ie, missing at least one training session due to RRI). Despite this, these results are worrying because the incidence of RRI in recreational runners may increase from 31% in three months (as we found in this study) to 51% in one year (Macera et al 1989).

aureus ATCC 25923, local isolates of methicillin resistant S aur

Libraries aureus ATCC 25923, local isolates of methicillin resistant S. aureus BHU 011 and Enterococcus faecalis were used in this study. Antibiotic sensitivity BLU9931 cost pattern of these test organisms were tested by using FDA recommended antibiotics and standard methodology. The freshly collected leaves were washed with distilled water and air-dried at 40 °C

and powdered. The powdered material was extracted with different solvents (Hexane, Methanol and water) by freeze- thaw method. The extracts were collected in sterile bottles, reduced to dryness and stored at 2–8 °C until use. Qualitative antibacterial assays were performed by agar well diffusion method. Different volumes (50–300 μl) of extracts dissolved in distilled water (10 mg/ml) were directly applied to the wells made on surface of MHA containing bacterial lawn. Control wells received only distilled water. Positive control wells received streptomycin

(10 μg) except in case of MRSA and E. faecalis, where streptomycin (300 μg) was used as positive control. After diffusion, plates were incubated at 37 °C for 18 h and zones of growth inhibition were measured. Antimycobacterial activity of the plant extracts was tested by Indirect proportion method. The assay was performed on LJ medium with or without the plant extracts (05–20 mg ml−1). The minimum inhibitory concentration (MIC) was determined by agar PFI-2 solubility dmso dilution method. The concentration of plant extracts used were in the range of 0.25–08 mg ml−1 and plates without any extracts were used as control for MIC determination. 75% methanol extracts of A. paniculata leaves were subjected to thin layer chromatography (TLC) for separation of antibacterial fraction. Silica gel-60 was used as stationary phase

whereas the mobile phase was the mixture of chloroform and methanol (7:3). The bands were visualized in a UV transilluminator and the position of bands was marked. The bands were scratched from TLC plates, dissolved in methanol, reduced to dryness, redissolved in deionized water and tested for its antibacterial activity against S. aureus ATCC 25923 by Macrobroth dilution method. The active fraction was subjected to various phytochemical tests according to conventional methods 7 to determine its chemical nature. Primary screening test, the qualitative antibacterial assay revealed many that out of the nine different extracts, only methanol extract of A. paniculata leaves posses antibacterial activity against S. aureus ATCC 25923. The methanol extracts of leaves from other two plants, A. maculatum and T. cardifolia exhibited no activity against the pathogens tested ( Table 1). Further, A. paniculata leaves were extracted using different concentrations of methanol as solvent and were assayed for antibacterial activity. These assays revealed the highest activity in 75% methanolic extract ( Table 2). Moreover, 75% methanolic extract of A.

Isolates were classified into 3 age groups: group 1: children <5

Isolates were classified into 3 age groups: group 1: children <5 years with isolates from both sterile sites (total 64: 59 blood, 4 cerebrospinal fluid, 1 pleural fluid) and non-sterile sites (total 42: 32 respiratory specimen, 6 ear swab, 2 eye swab, 2 gastric wash), group 2: patients 5–64 years with isolates from sterile sites only (total 62: 53 blood, 3 cerebrospinal fluid, 6 pleural fluid), and group 3: patients >65 years with isolates from sterile sites only (total 46: 44 blood, 2 pleural fluid). In this study, we performed serotyping and analysed serotype BIBF 1120 coverage of PCV-7, PCV-9, PCV-10, PCV-11 and PCV-13. PCV-9 is PCV-7 plus 1 and 5. PCV-10 is PCV-9 plus 7F, PCV-11 is PCV-10

plus 3, PCV-13 is PCV-11 plus 6 A and 19A. To determine capsule serotypes of isolates, we performed the Quellung test [11], using various specific group and factor antisera according to the manufacturer’s guideline from the State Serum Institute, Denmark. Typing was done with an addition of a inhibitors loopful (a few microliters) of methylene blue 0.3% (w/v) in a bacterial suspension on a glass slide, using a microscope (OYMPUS BX 50 Model U-MD08, Oympus Corporation, Tokyo, Crizotinib cell line Japan) with an oil immersion

lens (magnification, 10 × 100). The isolates that were not one of the serotypes included in PCV-7, PCV-9, PCV-10, PCV-11 and PCV-13 vaccines were not further typed and were labeled as nonvaccine types. Bacterial susceptibility of the isolates to penicillin, cefotaxime, ofloxacin and ciprofloxacin were evaluated by standard microbroth dilution using cation-adjusted Mueller-Hinton broth supplemented with 3% lysed horse blood [13] and E-test method (AB Biodisk, Sweden) according to the manufacturer’s guideline. S. pneumoniae ATCC 49619 was used as the control. The penicillin minimal inhibitory concentrations (MIC) were interpreted as susceptible, intermediate or resistant category according to Clinical Laboratory Standards Institute (CLSI) recommendations [13]. This new criteria take into account whether penicillin is given orally or parenterally and whether a patient has meningitis.

Under the former criteria, the isolates from all clinical syndrome and penicillin routes, were interpreted as susceptible, intermediate, and resistant if MIC were ≥0.06, 0.12–1, and ≥2 μg/ml, respectively. Under the new criteria, the isolates are classified into 3 categories, many i.e., meningitis with parenteral penicillin treatment (susceptible and resistant if MIC are ≤0.06 and ≥0.12 μg/ml, respectively); nonmeningitis with parenteral penicillin treatment (susceptible, intermediate and resistant if MIC are ≤2, 4 and ≥8 μg/ml, respectively); and non-meningitis with oral penicillin treatment (susceptible, intermediate, and resistant if MIC were ≤0.06, 0.12–1, and ≥2 μg/ml), respectively. The criterion for resistance to ciprofloxacin was MIC ≥4 μg/ml [14]; S. aureus ATCC 25923 was used as the control. The descriptive analysis was used in this study.

In-class caloric expenditure in this study was defined as the tot

In-class caloric expenditure in this study was defined as the total amount of caloric expenditure

in physical education minus the resting (basal metabolic) caloric expenditure. Caloric expenditure in physical education was recorded using RT3 accelerometers (Stayhealthy.com™). RT3 accelerometers have been determined as a device that can generate valid and reliable caloric expenditure data in physical activity settings.17 Each of the six students’ caloric value recorded in a lesson was converted individually to metabolic equivalent (MET/min). One MET represents the average energy cost set at 3.5 mL/kg/min of oxygen, Selleckchem Vismodegib or 1 kcal/kg/h at seated, resting condition adjusted for age and gender.18 Any additional caloric expenditure is considered due to physical activity the individual

engages in such as those resulted from participating in physical education classes. The MET values were aggregated to represent the average caloric expenditure of the class and the aggregated MET were used also to signify the categorical physical activity levels (intensity) of a lesson: light (<3 METs), moderate (3–6 METs), or rigorous (>6 METs).17 Student BMI values were calculated using the formula, weight (kg)/height2 (m). Students’ height and weight were measured using standard Cell Cycle inhibitor equipment in inches and pounds which were converted into meters and kilograms. In addition to being used to calculate BMI, height and weight data were used to pre-program the accelerometers to collect accurate caloric expenditure data. Gender and grade information was identified by data collectors when the data collection began. The information was confirmed with the demographic information reported by the students and teachers in various occasions during the data collection period.

Self-reported date of birth was used to determine age. The gender and age information was also used to pre-program the accelerometers. The lesson lengths on schools’ official schedules were recorded. Content categories included fitness development, sport skill development, game play, and multi-activities. The category for each lesson was determined by viewing teacher lesson plans’ lesson-focus portion and on-site observation. Rutecarpine For example, a lesson on lacrosse passing and receiving was determined as a sport skill lesson. A fitness lesson was one that provided physical activities to develop one or more specific fitness components; such as a lesson of jump-rope and aerobic relays for developing cardio-respiratory capacity. A lesson was determined as game when the lesson focus was on playing games that were not regulation sports such as scooter soccer. A multi-activity lesson focused on several activities that did not fall into the other three categories and did not have an activity theme. For example, playing kickball, playground activities, or field-day activities were typical multi-activity lessons.

It is important to study associations between externalizing and i

It is important to study associations between externalizing and internalizing problems on the one hand and cannabis use on the other during early adolescence for several reasons. Firstly, early adolescence is a life phase characterised by rapid biological changes and consecutive maturation processes. These developmental processes might increase vulnerability for enduring

effects of external influences like use of cannabis (Schneider, 2008). Secondly, cannabis use usually starts in early adolescence (Monshouwer et al., 2005), possibly because of increases in peer-influenced PARP inhibitor risk-taking behaviours (e.g. Fergusson and Horwood, 1997). So this appears to be the best possible time to collect behavioural data antedating initiation of cannabis use. The study of associations between internalizing and externalizing behaviours and cannabis use during early adolescence may thus help identifying individuals who are at an increased risk for multiple simultaneous problems (e.g. aggression and substance use), which have been associated with the poorest long-term outcomes. At this stage it might still help targeting one of the problems (preferably the one that occurs first in time) in order to prevent other or combined problems. In the present study, we investigated relations between both internalizing and externalizing behaviour problems and cannabis use in a large population sample of young

Z-VAD-FMK in vivo adolescents enrolled in the Tracking Adolescents’ Individual Lives Survey (TRAILS, Huisman et al., 2008). Using path analysis, we investigated the temporal order of the association between cannabis use and internalizing and externalizing behaviour, thereby controlling for confounding factors to eliminate, to some extent, the effect of shared causes.

It was expected that the link between internalizing behaviour and cannabis use would be weaker than the association between externalizing behaviour and cannabis use. In addition, based on findings to date, it was expected that internalizing and externalizing behaviour problems would precede cannabis use and not the other way Bay 11-7085 around. Data were gathered from participants in the Tracking Adolescents’ Individual Lives Survey (TRAILS), a prospective cohort study among adolescents in the general Dutch population. TRAILS investigates the development of mental and physical health from preadolescence into adulthood (de Winter et al., 2005). The study covers biological, psychological and sociological topics and collects data from multiple informants. Participants come from five municipalities, including both urban and rural areas, in the North of the Netherlands. So far, three data collection waves have been completed: T1 (2001–2002), T2 (2003–2004) and T3 (2005–2007). Participants will be followed until (at least) the age of 24. Of all individuals asked to participate in TRAILS (N = 2935), 76,0% agreed to participate at T1 (N = 2230; mean age 11.09 years; SD 0.55; 50.8% girls). At T2, 96.

One putative ssHSP inhibitory factor might be PKMζ, a causal agen

One putative ssHSP inhibitory factor might be PKMζ, a causal agent for enduring LTP (Sacktor, 2008). Definitively determining the role of ssHSP in the duration of LTP would again require a specific inhibitor of the process. Progress in this field may Docetaxel order lead to a new framework for our understanding of information stability in single neurons and networks. Homeostasis is a feature of life, and almost all physiological parameters are subject to homeostasis in living beings. Some neurological disease states feature synaptic

dysregulation and abnormal connectivity, which may signify homeostatic failure. Further work in this field could help clarify this picture and eventually aid in developing therapeutic strategies. “
“The philosopher Malebranche noted in 1674 that “the mind does not pay equal attention to everything that it perceives. For it applies itself infinitely more to those things that affect it, that modify it, and that penetrate it, than to those that do not affect it and do not belong to it” (p. 412) (Malebranche, Obeticholic Acid 1997). In the ensuing 300+ years, research on selective attention has continually progressed, and although we have made careful behavioral measurements using the tools of psychophysics, poked and prodded neural

circuits with electrodes, and taken fancy pictures of human brains in action, we still have a vague understanding of how neuronal networks work in concert so

that the mind “…applies itself infinitely more to those things that affect it….” Thus, we are rich in our knowledge of what and where, but poor in our understanding of how the brain prioritizes relevant over irrelevant sensory inputs. Here, Pestilli et al. (2011) use well-validated experimental and quantitative frameworks to evaluate the relative contribution of three candidate mechanisms by which selective information processing might operate: response enhancement, noise reduction, and the efficient selection of sensory responses during decision making. Over the last 35 years, most research has focused on the notion also that selective attention operates by increasing the firing rate of neurons that are tuned to relevant spatial locations, objects, or features. Computationally, response gain should improve the reliability of neural signals as long as the variance of the firing rate does not increase faster than the mean. Attention-induced gain is also ubiquitous, extending from the earliest stages of cortical processing in the lateral geniculate nucleus (LGN) all the way through areas of frontal cortex, with the degree of response enhancement progressively increasing across the cortical hierarchy (from about 20%–30% in midlevel areas such as V4 to almost 100% in prefrontal cortex; Serences and Yantis, 2006 and Treue, 2003).