Results 81 to 90 of about 16,688,913 (390)

Strategies in social network formation [PDF]

open access: yes, 2009
We run a computerised experiment of network formation where all connections are beneficial and only direct links are costly. Players simultaneously submit link proposals; a connection is made only when both players involved agree.
Conte, A.   +2 more
core  

Academics’ online connections: Characterising the structure of personal networks on academic social networking sites and Twitter [PDF]

open access: yes, 2016
Academic social networking sites (SNS), such as Academia.edu and ResearchGate, seek to bring the benefits of online social networking to academics' professional lives.
Jordan, Katy
core   +2 more sources

Acute effects of a motor coordination intervention on executive functions in kindergartners: a proof-of-concept randomized controlled trial

open access: yesPilot and Feasibility Studies, 2022
Background Executive functions are pivotal for future academic and social functioning. Causal effects of physical activity on executive functions have been shown in adults.
Petra Haas   +7 more
doaj   +1 more source

Integration of circadian and hypoxia signaling via non‐canonical heterodimerization

open access: yesFEBS Letters, EarlyView.
CLOCK, BMAL1, and HIFs are basic helix‐loop‐helix and Per‐Arnt‐Sim domain (bHLH‐PAS) proteins, which function as transcription factors. bHLH‐PAS proteins are designated in two classes. Many class I proteins are regulated by environmental signals via their PAS domains, but such signals have not been identified for all.
Sicong Wang, Katja A. Lamia
wiley   +1 more source

Transmission of cultural traits in layered ego-centric networks [PDF]

open access: yes, 2014
Although a number of models have been developed to investigate the emergence of culture and evolutionary phases in social systems, one important aspect has not yet been sufficiently emphasized.
Kaski, Kimmo   +2 more
core   +2 more sources

Mechanisms of parasite‐mediated disruption of brain vessels

open access: yesFEBS Letters, EarlyView.
Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira   +3 more
wiley   +1 more source

Having multiple sexual partners among Iranian Injection Drug Users

open access: yesFrontiers in Psychiatry, 2014
Background: Transmission of HIV from intra-venous drug users (IDUs) to the community occurs predominantly through high-risk sexual behaviors. Limited information exists regarding the high-risk sexual behaviors of IDUs in Iran. Aim.
Shervin eAssari   +9 more
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

How Do Online Social Networks Drive Internal Communication and Improve Employee Engagement? [PDF]

open access: yes, 2013
The definition of a social network is taking traditional or in person networking activities online. It focuses on facilitating the building of social networks or social relations among people who, for example, share interests, activities, backgrounds, or
Lee, Eunjung
core   +1 more source

Can Virtual Reality Ever Be Implemented in Routine Clinical Settings? A Systematic Narrative Review of Clinical Procedures Contained Within Case Reports for the Treatment of PTSD

open access: yesFrontiers in Virtual Reality, 2020
The evidence base for the use of immersive technologies, such as Virtual Reality (VR), for the treatment of Post-Traumatic Stress Disorder (PTSD) is compelling.
Paul Best   +8 more
doaj   +1 more source

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