Results 1 to 10 of about 37,021 (219)

Polyploidy: an evolutionary and ecological force in stressful times [PDF]

open access: yesThe Plant Cell, 2020
Abstract Polyploidy has been hypothesized to be both an evolutionary dead-end and a source for evolutionary innovation and species diversification. Although polyploid organisms, especially plants, abound, the apparent nonrandom long-term establishment of genome duplications suggests a link with environmental conditions.
Yves Van de Peer   +3 more
openaire   +4 more sources

The Molecular Clock and Neurodegenerative Disease: A Stressful Time [PDF]

open access: yesFrontiers in Molecular Biosciences, 2021
Circadian rhythm dysfunction occurs in both common and rare neurodegenerative diseases. This dysfunction manifests as sleep cycle mistiming, alterations in body temperature rhythms, and an increase in symptomatology during the early evening hours known as Sundown Syndrome.
Bethany Carter   +5 more
openaire   +3 more sources

Rhythmic constraints on English stress timing [PDF]

open access: yes4th International Conference on Spoken Language Processing (ICSLP 1996), 1996
The evidence for isochrony of stress timing is weak for ordinary prose, but this does not mean that the timing of stresses is always unaffected by global constraints. We asked subjects to continually repeat the phrase "Take a pack of cards" and to temporally align the words "take" and "cards" with an auditorily presented stimulus consisting of just the
Fred Cummins, Robert F. Port
openaire   +1 more source

Stress, time use and gender [PDF]

open access: yeselectronic International Journal of Time Use Research, 2007
This paper studies the gender aspect of stress within a Scandinavian welfare state regime with high employment rates for both women and men. By applying an economic model, an extended model and a stress-level model, we find that higher incomes lead to stress among women, somewhat confirming findings for Australia, Germany, Canada, Korea, and the US ...
Jens Bonke, Frederik Gerstoft
openaire   +1 more source

Learning During Stressful Times [PDF]

open access: yesLearning & Memory, 2004
Stressful life events can have profound effects on our cognitive and motor abilities, from those that could be construed as adaptive to those not so. In this review, I discuss the general notion that acute stressful experience necessarily impairs our abilities to learn and remember.
openaire   +2 more sources

Macropolycytes: Severe stress time for neutrophils

open access: yesMorphologie, 2020
Macropolycytes are giant neutrophils found in a variety of benign and neoplastic conditions. Since megaloblastic anaemia is one of the recognised causes of macropolycytes, other blood film features of megaloblastic anaemia should be sought when they harbor hypersegmented nuclei.
J-F, Lesesve   +3 more
openaire   +3 more sources

Italian in the no-man's land between stress-timing and syllable-timing? speakers are more stress-timed than listeners [PDF]

open access: yesInterspeech 2011, 2011
How syllable-timed is Italian? We investigate two contexts for vowel reduction, unstressed syllables and syllables in polysyllabic words. In a production experiment, a large sample of speakers from Tuscany read di- and trisyllabic target words with different stress placement in a sentence context. Results showed vowel reduction in unstressed syllables,
Braun, Bettina, Geiselmann, Sabine
openaire   +2 more sources

Are Fertility Preservation Procedures Before Gonadotoxic Therapy and Hematopoietic Stem Cell Transplantation Feasible and Safe in Very Young Children? A Retrospective Cohort Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Fertility preservation (FP) is increasingly integrated into the care of pediatric patients exposed to gonadotoxic therapy or conditioning for hematopoietic stem cell transplantation (HSCT), yet perioperative data in infants and toddlers remain scarce.
Kerstin Saalabian   +13 more
wiley   +1 more source

Feasibility and Safety of Somato‐Cognitive Coordination Therapy for Cerebellar Ataxia Following Pediatric Brain Tumor Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cerebellar ataxia after pediatric brain tumor treatment can cause persistent gait, balance, and speech impairment, yet no established rehabilitation strategy exists. Somato‐cognitive coordination therapy (SCCT) is a virtual reality–guided intervention designed to promote sensorimotor integration through visually constrained reaching
Masanobu Takeuchi   +10 more
wiley   +1 more source

Rational Use of Herbal Products in Pediatric Patients Treated With Anticancer Drugs in the European Union

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction The use of herbal medical preparation (HMP) is rising among pediatric oncology patients, often to manage treatment‐related symptoms. Their effectiveness remains uncertain, and the risk of herb–drug interactions is underestimated.
Orianne Mahot   +6 more
wiley   +1 more source

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