Results 51 to 60 of about 22,000 (226)

Huntingtin is critical both pre- and postsynaptically for long-term learning-related synaptic plasticity in Aplysia. [PDF]

open access: yesPLoS ONE, 2014
Patients with Huntington's disease exhibit memory and cognitive deficits many years before manifesting motor disturbances. Similarly, several studies have shown that deficits in long-term synaptic plasticity, a cellular basis of memory formation and ...
Yun-Beom Choi   +5 more
doaj   +1 more source

Ethical and Frugal Approaches to Animal Experimentation in Bioelectronics and Neural Engineering—An Invertebrate Renaissance?

open access: yesAdvanced Electronic Materials, EarlyView.
Invertebrates are the classic neuroscience models and should make a comeback. Invertebrate organisms can be a more ethical and cost‐effective way to move bioelectronics research forward more rapidly. ABSTRACT The accelerating development of bioelectronic neural interfaces has brought increased attention to ethical considerations surrounding in vivo ...
Eric Daniel Głowacki
wiley   +1 more source

The Spacing Effect for Structural Synaptic Plasticity Provides Specificity and Precision in Plastic Changes [PDF]

open access: yes, 2017
In contrast to trials of training without intervals (massed training), training trials spaced over time (spaced training) induce a more persistent memory identified as long-term memory (LTM).
Gelb, Bruce   +3 more
core   +1 more source

Sentience in cephalopod molluscs: an updated assessment

open access: yesBiological Reviews, EarlyView.
ABSTRACT This article evaluates the evidence for sentience – the capacity to have feelings – in cephalopod molluscs: octopus, cuttlefish, squid, and nautilus. Our framework includes eight criteria, covering both whether the animal's nervous system could support sentience and whether their behaviour indicates sentience.
Alexandra K. Schnell   +4 more
wiley   +1 more source

Urotensin II in invertebrates: from structure to function in Aplysia californica. [PDF]

open access: yesPLoS ONE, 2012
Neuropeptides are ancient signaling molecules that are involved in many aspects of organism homeostasis and function. Urotensin II (UII), a peptide with a range of hormonal functions, previously has been reported exclusively in vertebrates.
Elena V Romanova   +7 more
doaj   +1 more source

Reinstatement of long-term memory following erasure of its behavioral and synaptic expression in Aplysia. [PDF]

open access: yes, 2014
Long-term memory (LTM) is believed to be stored in the brain as changes in synaptic connections. Here, we show that LTM storage and synaptic change can be dissociated.
Cai, Diancai   +5 more
core   +2 more sources

Clinical Applications of Electrical Conductivity Imaging Using MRI

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Magnetic resonance imaging (MRI) has emerged as a noninvasive technique for probing the electrical properties of biological tissues: electrical conductivity and relative permittivity. This review focuses on the electrical conductivity and provides a comprehensive overview of applications across both low‐ and high‐frequency regimes.
Stefano Mandija   +14 more
wiley   +1 more source

Circadian Rhythms of Crawling and Swimming in the Nudibranch Mollusc Melibe leonina [PDF]

open access: yes, 2014
Daily rhythms of activity driven by circadian clocks are expressed by many organisms, including molluscs. We initiated this study, with the nudibranch Melibe leonina, with four goals in mind: (1) determine which behaviors are expressed with a daily ...
Kirouac, Lauren E.   +3 more
core   +2 more sources

Connecting the distribution and diversification of marine plants

open access: yesOikos, EarlyView.
Integration of the evolutionary history with distribution of extant species is necessary to explain present‐day diversity, particularly for ‘foundation' species, such as seagrasses, which create habitats of socioecological relevance. Here, we resolved if varying evolutionary history of seagrass families has imprinted the distribution ranges of extant ...
Fernando Tuya   +3 more
wiley   +1 more source

Aging in Sensory and Motor Neurons Results in Learning Failure in Aplysia californica.

open access: yesPLoS ONE, 2015
The physiological and molecular mechanisms of age-related memory loss are complicated by the complexity of vertebrate nervous systems. This study takes advantage of a simple neural model to investigate nervous system aging, focusing on changes in ...
Andrew T Kempsell, Lynne A Fieber
doaj   +1 more source

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