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Keywords: brain
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Journal Articles
J Exp Biol (2020) 223 (21): jeb232371.
Published: 09 November 2020
... culminates in the formation of spatial maps in telencephalic areas of the brain. Specifically, we predict the existence of spatial cells that encode defined components of the Earth's magnetic field. * Authors for correspondence ( keays@imp.ac.at ; pascal.malkemper@caesar.de ) Competing interests...
Journal Articles
J Exp Biol (2019) 222 (6): jeb191353.
Published: 18 March 2019
... competing or financial interests. 27 8 2018 20 2 2019 © 2019. Published by The Company of Biologists Ltd 2019 http://www.biologists.com/user-licence-1-1/ Highlighted Article: The brain mitochondria of reef sharks reveal some adaptations that parallel their contrasted...
Journal Articles
J Exp Biol (2019) 222 (2): jeb194894.
Published: 24 January 2019
... fish. Treating male zebrafish with metyrapone, a cortisol synthesis inhibitor, blocked the cortisol response to social subordination and attenuated the suppression of brain cell proliferation in the dorsal telencephalic area of subordinate fish. Collectively, these data support a role for cortisol in...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (24): 3952–3961.
Published: 15 December 2016
...-1-1/ Summary: Compared with SD rats, FVB mice have higher ventilatory and metabolic responses to hypoxia, higher induction of HIF-1α, and lower Glut1 protein expression in the brainstem. Respiratory control Metabolic rate Hypoxia Protein expression Brain The house mouse...
Journal Articles
J Exp Biol (2016) 219 (22): 3554–3561.
Published: 15 November 2016
... expression profiling via RNA sequencing was performed on the mushroom bodies, a region of the brain known for multi-modal sensory integration and responsive to various types of reward. Differentially expressed genes (DEGs) associated with the onset of mating (623 genes) were enriched for the gene ontology...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (24): 3987–3995.
Published: 01 December 2015
...), which may last 0.2 to 20 s after capture. The squeals are pulse bursts that vary in duration, peak frequency and amplitude. The victory squeal may be a reflection of emotion triggered by brain dopamine release. It may also affect prey to ease capture and/or it may be a way to communicate the presence of...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (16): 2538–2550.
Published: 01 August 2015
... Fig. 3 ). On the following day, a compensatory food intake was observed in all groups. Salmo salar Parr Cortisol HPI axis crf Gene study Brain Hypothalamus Pituitary gland Head kidney Atlantic salmon ( S. salar , AquaGen strain) eggs obtained from a commercial farm (Aqua...
Journal Articles
J Exp Biol (2013) 216 (24): 4615–4625.
Published: 15 December 2013
...Alison M. Gardell; Jun Yang; Romina Sacchi; Nann A. Fangue; Bruce D. Hammock; Dietmar Kültz SUMMARY This study aimed to determine the regulation of the de novo myo -inositol biosynthetic (MIB) pathway in Mozambique tilapia ( Oreochromis mossambicus ) brain following acute (25 ppt) and chronic (30...
Journal Articles
J Exp Biol (2013) 216 (21): 4025–4037.
Published: 01 November 2013
... chronically exposed (1+ months) to high environmental ammonia [HEA; 250 μmol l −1 (NH 4 ) 2 SO 4 ]. This study investigates whether the brain is involved in the acute sensitivity of ventilation to ammonia, and whether changes in brain metabolism are related to the loss of hyperventilatory responses in trout...
Journal Articles
J Exp Biol (2013) 216 (11): 2012–2016.
Published: 01 June 2013
... speculation that DGCs lie at one end of a continuum of gas exchange patterns, from continuous to discontinuous, linked to metabolic rate (MR). However, the neural hypothesis posits that it is the downregulation of brain activity and a change in the neural control of gas exchange, rather than low MR per se...
Journal Articles
J Exp Biol (2013) 216 (9): 1638–1649.
Published: 01 May 2013
...) are induced. Likewise, we found that cellular senescence was induced by such social intervention. However, cellular senescence showed marked regional differences, suggesting that particular brain regions age slower than others. Finally, by preventing post-winter colonies from brood rearing, behavioral...
Journal Articles
J Exp Biol (2013) 216 (2): 245–252.
Published: 15 January 2013
...Elena Sivukhina; Jean-Christophe Helbling; Amandine M. Minni; H. Hendrik Schäfer; Véronique Pallet; Gustav F. Jirikowski; Marie-Pierre Moisan SUMMARY Corticosteroid binding globulin (CBG, transcortin) has been shown to be expressed in the brain of rat and human species. In this study, we examined...
Journal Articles
J Exp Biol (2013) 216 (1): 3–10.
Published: 01 January 2013
... mechanisms and (3) inducing genomic- and/or proteomic-based changes in the brain of the host. Changes in host behaviour are often restricted to particular behaviours, with many other behaviours remaining unaffected. Neuroscientists can produce this degree of selectivity by targeting specific brain areas...
Journal Articles
J Exp Biol (2013) 216 (1): 113–119.
Published: 01 January 2013
... found in the brain but it remains unclear whether the parasite has tropism for specific brain regions. Parasite tissue cysts are found in all brain areas with some, but not all, prior studies reporting higher numbers located in the amygdala and frontal cortex. A stochastic process of parasite location...
Journal Articles
J Exp Biol (2012) 215 (23): 4217–4230.
Published: 01 December 2012
.... * Author for correspondence ( kenneth.catania@vanderbilt.edu ) 28 6 2012 23 8 2012 © 2012. 2012 brain mechanosensory trigeminal behavior touch reptile crocodile alligator Crocodilians' faces are covered in arrays of minute, pigmented skin elevations that are clearly...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2012) 215 (17): 2969–2979.
Published: 01 September 2012
... dose response) decreased glycogen levels in the brain and increased brain glycogen phosphorylase activity (time response). In hypoglycemic fish (that had been fasted for 5 and 10 days), there was a time-dependent decrease in brain glycogen levels; under these conditions, i.c.v. administration of 5-HT...
Journal Articles
J Exp Biol (2012) 215 (15): 2668–2676.
Published: 01 August 2012
...Inessa V. Dyuizen; Elena P. Kotsyuba; Nina E. Lamash SUMMARY Using NADPH-diaphorase (NADPH-d) histochemistry, inducible nitric oxide synthase (iNOS)-immunohistochemistry and immunoblotting, we characterized the nitric oxide (NO)-producing neurons in the brain and thoracic ganglion of a shore crab...
Journal Articles
J Exp Biol (2010) 213 (16): 2851–2864.
Published: 15 August 2010
... successful, insects must evaluate objects in their path and then use that information to change posture or re-direct leg movements. Some of this control may occur within a region of the brain known as the central complex (CC). We used discrete electrolytic lesions to examine the role of certain sub-regions...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (13): 2219–2224.
Published: 01 July 2010
...Julia Mehlhorn; Burkhard Haastert; Gerd Rehkämper SUMMARY Homing pigeons ( Columba livia f.d.) are well-known for their homing abilities, and their brains seem to be functionally adapted to homing as exemplified, e.g. by their larger hippocampi and olfactory bulbs. Their hippocampus size is...
Journal Articles
J Exp Biol (2010) 213 (12): 2154–2164.
Published: 15 June 2010
...Karina Mendoza-Angeles; Jesús Hernández-Falcón; Fidel Ramón SUMMARY Previous results show that when unrestrained crayfish sleep, the electrical activity of the brain changes from multiple spikes (frequencies above 300 Hz) on a flat baseline to continuous slow waves at a frequency of 15–20 Hz. To...