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14 results for “longitudinal recording”
Text-fig. 8. Za Hájovnou Cave. Section ZH P-7a (Chodba naděje (= Corrridor of Hope), front longitudinal profile). in The Unique Record Of Za Hájovnou Cave
Text-fig. 8. Za Hájovnou Cave. Section ZH P-7a (Chodba naděje (= Corrridor of Hope), front longitudinal profile).
PLATE IIA. Paratrigonidium Brunner, 1893. (A–K), Paratrigonidium nitidum Brunner, 1893: A–B, Male and female black, shining;the male with membranous elytra, while female elytra corneous, convex with plain, longitudinal veins. Vertex flattened and sloping; C, Head wide and black; antenae yellow with first joint black; D, Pronotum black, pubescent; E, Palpi long, yellowish, fifth joint of maxillary palpi long, feebly widening at apex; F, Tympanum external; G, Male elytra membranous; H, The hind femurwith a feeble brownish band/stripe; I, Legs yellowish; J, Lateral field of tegmina in male blackish, presenting 3 parallel veins andthe fourth incomplete; K, The female ovipositor fulvous at base, darkened in the middle, cerci long. in JHABAR MAL, RAJENDRA NAGAR & R. SWAMINATHAN (2014) Record of Natula matsuurai Sugimoto (Orthoptera: Gryllidae: Trigonidiinae) and other sword-tailed crickets from India. Zootaxa, 3760(3): 458-462.
PLATE IIA. Paratrigonidium Brunner, 1893. (A–K), Paratrigonidium nitidum Brunner, 1893: A–B, Male and female black, shining;the male with membranous elytra, while female elytra corneous, convex with plain, longitudinal veins. Vertex flattened and sloping; C, Head wide and black; antenae yellow with first joint black; D, Pronotum black, pubescent; E, Palpi long, yellowish, fifth joint of maxillary palpi long, feebly widening at apex; F, Tympanum external; G, Male elytra membranous; H, The hind femurwith a feeble brownish band/stripe; I, Legs yellowish; J, Lateral field of tegmina in male blackish, presenting 3 parallel veins andthe fourth incomplete; K, The female ovipositor fulvous at base, darkened in the middle, cerci long.
PLATE IB. Natula Gorochov, 1987. (A–K), Natula matsuurai (Sugimoto, 2001): A, Head; B, Maxillary palpi; C, Second tarsal segment; D, Tympanum on fore tibia; E, Forewing lateral view showing longitudinal veins; F, Hind femur without stripe; G, Male Forewing mirror longer than wide; H, Female sub-genital plate triangular; I, Male sub-genital plate longer than wide, hind margin with a small projected median lobe; J, Hind tibial spines (3 pairs) on both sides; K, Ovipositor upcurved with a dorsal groove in JHABAR MAL, RAJENDRA NAGAR & R. SWAMINATHAN (2014) Record of Natula matsuurai Sugimoto (Orthoptera: Gryllidae: Trigonidiinae) and other sword-tailed crickets from India. Zootaxa, 3760(3): 458-462.
PLATE IB. Natula Gorochov, 1987. (A–K), Natula matsuurai (Sugimoto, 2001): A, Head; B, Maxillary palpi; C, Second tarsal segment; D, Tympanum on fore tibia; E, Forewing lateral view showing longitudinal veins; F, Hind femur without stripe; G, Male Forewing mirror longer than wide; H, Female sub-genital plate triangular; I, Male sub-genital plate longer than wide, hind margin with a small projected median lobe; J, Hind tibial spines (3 pairs) on both sides; K, Ovipositor upcurved with a dorsal groove
Accompanying empirical data for Kirchherr et al., 2023, "Bayesian multilevel hidden Markov models identify stable state dynamics in longitudinal recordings from macaque primary motor cortex"
<p>This repository contains data accompanying: Kirchherr et al., 2023, "Bayesian multilevel hidden Markov models identify stable state dynamics in longitudinal recordings from macaque primary motor cortex".</p> <p>Data collection methods:</p> <p>Two adult female rhesus macaques (Macaca mulatta) trained on a reaching, and grasping, and placing task served as the subjects. The animal handling as well as surgical and experimental procedures complied with European guideline (2010/63/UE) and authorized by the French Ministry for Higher Education and Research (project # 2016112713202878) in force on the care and use of laboratory animals, and were approved by the ethics committee CELYNE (comité d’éthique Lyonnais pour les neurosciences expérimentale, C2EA 42). After initial training, we performed a sterile surgery to implant six floating multielectrode arrays (FMA, Microprobes for Life Science, Gaithersburg, MD, USA) in the right (monkey 1) or left (monkey 2) cortical hemisphere. Each array was comprised of 32 platinum/iridium electrodes (impedance 0.5 MΩ at 1 kHz) with lengths ranging from 1 to 6 mm, and with an inter-electrode spacing of 400 μm. One electrode array was implanted in the primary motor cortex (M1), two were implanted in the ventral premotor cortex (F5), one in the dorsal premotor cortex (F2), and two in the prefrontal cortex (45a and 46/12r), as estimated according to a previous magnetic resonance imaging scan. For the purposes of this study, we analyzed data from the M1 array of each monkey.</p> <p>The wideband neural signal (bandpass filtered at 0.1 to 7500 kHz) was recorded at 30 kS/s, and amplified and digitized (16-bit; 0.192 μV resolution) with an Intan Tech-based (Intan Technologies, Los Angeles, CA, USA) open source acquisition system (Open Ephys; Siegle et al. 2017). This system uses a 256-channel Intan RHD2000 series acquisition board and 32-channel headstages (RHD2132). Spike detection was performed offline using Trisdesclous (Garcia & Pouzat,2015). The common reference was removed to reduce ambient noise. Spikes were then detected from each electrode using a threshold of 2 times the median absolute deviation (MAD), and analyzed as multi-unit activity (MUA) in 10 ms bins. All electrodes in which at least one well-isolated spike waveform was detected were selected for the following analyses. We thus used a sample of 21 electrodes out of 32 for monkey 1, and 25 out of 32 electrodes for monkey 2. Custom made detection panels were used to record the moments when the monkey’s hand released the handle, the hand contacted the target object, and when the object was placed in the groove. An Omniplex 16-channel recording system (Plexon, Dallas, TX, USA) was used to simultaneously record these behavioral events. Trials were discarded if the response time (time between the go signal and handle release) was less than 100 or greater than 1500 ms, the reach duration (time between handle release and object contact) was less than 100 or greater than 1000 ms, or the placing duration (time between object contact and placing the object in the groove) was less than 100 or greater than 1200 ms, leaving 19 - 68 trials per day for monkey 1 (M = 43.9, SD = 15.46, N = 439; left: M = 14.8, SD = 5.74; center: M = 14.4, SD = 5.15; right: M = 14.7, SD = 7.73), and 23 - 49 per day for monkey 2 (M = 38.3, SD = 9.87, N = 383; left: M = 14.2, SD = 3.91; center: M = 10.8, SD = 3.55; right: M = 13.3, SD = 3.37).</p> <p><br> Abstract:</p> <p>Neural populations, rather than single neurons, may be the fundamental unit of cortical computation. Analyzing chronically recorded neural population activity is challenging not only because of the high dimensionality of activity in many neurons, but also because of changes in the recorded signal that may or may not be due to neural plasticity. Hidden Markov models (HMMs) are a promising technique for analyzing such data in terms of discrete, latent states, but previous approaches have either not considered the statistical properties of neural spiking data, have not been adaptable to longitudinal data, or have not modeled condition specific differences. We present a multilevel Bayesian HMM which addresses these shortcomings by incorporating multivariate Poisson log-normal emission probability distributions, multilevel parameter estimation, and trial-specific condition covariates. We applied this framework to multi-unit neural spiking data recorded using chronically implanted multi-electrode arrays from macaque primary motor cortex during a cued reaching, grasping, and placing task. We show that the model identifies latent neural population states which are tightly linked to behavioral events, despite the model being trained without any information about event timing. We show that these events represent specific spatiotemporal patterns of neural population activity and that their relationship to behavior is consistent over days of recording. The utility and stability of this approach is demonstrated using a previously learned task, but this multilevel Bayesian HMM framework would be especially suited for future studies of long-term plasticity in neural populations.</p>
Data from: An archive of longitudinal recordings of the vocalizations of adult Gombe chimpanzees
Studies of chimpanzee vocal communication provide valuable insights into the evolution of communication in complex societies, and also comparative data for understanding the evolution of human language. One particularly valuable dataset of recordings from free-living chimpanzees was collected by Frans X. Plooij and the late Hetty van de Rijt-Plooij at Gombe National Park, Tanzania (1971–73). These audio specimens, which have not yet been analysed, total over 10 h on 28 tapes, including 7 tapes focusing on adult individuals with a total of 605 recordings. In 2014 the first part of that collection of audio specimens covering the vocalizations of the immature Gombe chimpanzees was made available. The data package described here covers the vocalizations of the adult chimpanzees. We expect these recordings will prove useful for studies on topics including referential signalling and the emergence of dialects. The digitized sound recordings were stored in the Macaulay Library and the Dryad Repository. In addition, the original notes on the contexts of the calls were translated and transcribed from Dutch into English.
Data from: Longitudinal recordings of the vocalizations of immature Gombe chimpanzees for developmental studies
Many researchers are interested in chimpanzee vocal communication, both as an important aspect of chimpanzee social behavior and as a source of insights into the evolution of human language. Nonetheless, very little is known about how chimpanzee vocal communication develops from infancy to adulthood. The largest dataset of audiorecordings from free-living immature chimpanzees was collected by the late Hetty van de Rijt-Plooij and Frans X. Plooij at Gombe National Park, Tanzania (1971–1973). These recordings have not yet been analysed. Therefore, the most extensive effort to study the development of chimpanzee vocalizations remains unfinished. The audiospecimens total over 10 h on 28 tapes, including 20 tapes focusing on 17 specific immature individuals with a total of 1,136 recordings. In order to make this dataset available to more researchers, the analogue sound recordings were digitized and stored in the Macaulay Library and the Dryad Repository. In addition, the original notes on the contexts of the calls were translated and transcribed from Dutch into English.
FIGURE 2. Burmannia itoana. A. Habit. B, C. Flower, oblique view. D. Flower, top view. E–G. Flower, side view. H. Flower, longitudinal section. I in A checklist of Burmanniaceae in Eastern Indochina with a new record from Vietnam, Burmannia itoana
FIGURE 2. Burmannia itoana. A. Habit. B, C. Flower, oblique view. D. Flower, top view. E–G. Flower, side view. H. Flower, longitudinal section. I. Distal portion of dissected floral tube viewed from inside, showing stamens. J. Underground part and base of aerial stem. Nuraliev 2444. Photos by M.S. Nuraliev.
Data from: Identifying patterns of non-communicable diseases in developed eastern coastal China: a longitudinal study of electronic health records from 12 public hospitals
Objective: Few studies have examined the spectrum and trends of non-communicable diseases (NCDs) in inpatients in eastern coastal China, which is transforming from an industrial economy to a service-oriented economy and is the most economically developed region in the country. This study aimed to dynamically elucidate the spectrum and characteristics of severe NCDs in eastern coastal China by analysing patients' longitudinal electronic health records (EHRs). Setting: To monitor the spectrum of NCDs dynamically, we extracted the EHR data from 12 general tertiary hospitals in eastern coastal China from 2003 to 2014. The rankings of and trends in the proportions of different NCDs presented by inpatients in different gender and age groups were calculated and analysed. Participants: We obtained a total sample of 1,907,484 inpatients with NCDs from 2003 to 2014, 50.05% of whom were male and 81.53% were aged 50 years or older. Results: There was an increase in the number of total NCD inpatients in eastern coastal China from 2003 to 2014. However, the proportion of chronic respiratory diseases and cancer inpatients decreased over the 12-year period. Compared with men, women displayed a significant increase in the proportion of mental and behavioural disorders (P<0.001) over time. Additionally, digestive diseases and sensory organ diseases significantly decreased among men, but not women. The older group accounted for a larger and growing proportion of the NCD inpatients, and the most common conditions in this group were cerebral infarctions, coronary heart disease and hypertension. In addition, the proportion of 21- to 50-year-old inpatients with diabetes, blood diseases or endocrine diseases skyrocketed from 2003 to 2014 (P<0.001). Conclusions: The burden of inpatients' NCDs increased rapidly, particularly among women and younger people. The NCD spectrum observed in eastern coastal China is a good source of evidence for developing prevention guides for regions experiencing transition.
Register for Longitudinal Recording of Brain Function
ClinicalTrials.gov study NCT06401057. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Data from: Longitudinal recordings of the vocalizations of immature Gombe chimpanzees for developmental studies
Open the record for dataset details and reuse information.
Data from: Identifying patterns of non-communicable diseases in developed eastern coastal China: a longitudinal study of electronic health records from 12 public hospitals
Open the record for dataset details and reuse information.
Data from: An archive of longitudinal recordings of the vocalizations of adult Gombe chimpanzees
Open the record for dataset details and reuse information.
Longitudinal Non-invasive Analysis of VOCAle Cord Function Based on Trans-laryngeal Ultrasound Acquisitions and Voice Recordings
ClinicalTrials.gov study NCT06776393. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Calling Cards: a customizable platform to longitudinally record protein-DNA interactions over time in cells and tissues
GEO Series GSE223926. Mus musculus. 9 samples. Type: Expression profiling by high throughput sequencing.
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International Brain Laboratory public data
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OpenNeuro
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