P. Newland

Publications103
h-index21
Citations1,303
Highly Influential Citations55
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Parallel somatotopic maps of gustatory and mechanosensory neurons in the central nervous system of an insect
TLDR
It is shown that the sensory neurons from tactile hairs form a complete 3‐dimensional somatotopic map in the mesothoracic ganglion, and the position of a receptor on the leg is preserved in the central nervous system not only for the mechanosensory neurons from both tactile hairs and basiconic sensilla but also for chemosENSory neurons.
Swimming performance and endurance of the Norway lobster Nephrops norvegicus
TLDR
There was a sex difference in the relationship between swimming performance and N. norvegicus size, but there was no significant differences in the average swim performance and endurance of males and females.
Intracellular Nitric Oxide Mediates Neuroproliferative Effect of Neuropeptide Y on Postnatal Hippocampal Precursor Cells*
TLDR
It is shown that NPY-mediated intracellular NO signaling results in an increase in neuroproliferation, and the importance of the NO-cGMP-PKG signaling pathway in ERK1/2 activation was confirmed using Western blotting.
Opposing actions of nitric oxide on synaptic inputs of identified interneurones in the central nervous system of the crayfish.
TLDR
A NO--cGMP signal transduction pathway, in which NO regulates transmitter release from mechanosensory afferents onto intersegmental ascending interneurones, is probably present in the local circuits of the crayfish.
Dopaminergic modulation of phase reversal in desert locusts
TLDR
It is shown that dopaminergic modulation plays an important role in the plasticity underpinning phase transition and sets a context to deepen the understanding of the complementary role that distinct neuromodulators play in polyphenism in locusts.
Morphology and somatotopic organisation of the central projections of afferents from tactile hairs on the hind leg of the locust
  • P. Newland
  • Biology
    The Journal of comparative neurology
  • 22 October 1991
TLDR
The morphology and organisation of the central projections of tactile hair afferents from the hind leg of the locust, Schistocerca gregaria, were examined by staining individual hair afferets by observing the direction of travel of the axon of its afferent to the metathoracic ganglion.
Agrochemical synergism imposes higher risk to Neotropical bees than to honeybees
TLDR
Results showed that stingless bees were more susceptible to insecticides than honeybees, and mixtures of the deltamethrin and the combined fungicide formulation induced high synergy in P. helleri, but had little effect on the mortality of A. mellifera.
Exposure to extremely low frequency electromagnetic fields alters the behaviour, physiology and stress protein levels of desert locusts
TLDR
It is shown that exposure to ELF EMFs above 4 mT leads to reduced walking, and intracellular recordings from an identified motor neuron show increased spike latency and a broadening of its spike in exposed animals, suggesting ELFEMF exposure has the capacity to cause dramatic effects from behaviour to physiology and protein expression.
Static electric field detection and behavioural avoidance in cockroaches
TLDR
Analysis of the behaviour of cockroaches to static electric fields and the physiological mechanisms that underlie their behavioural responses indicated that hair plate sensory receptors at the base of the scape were primarily responsible for the detection of electric fields, and when antennal movements about the head–scape joint were prevented Cockroaches failed to avoid electric fields.
The swimming and orientation behaviour of the Norway lobster, Nephrops norvegicus (L.), in relation to trawling
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