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Keywords: Long-term memory
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Journal Articles
In collection:
J Exp Biol (2021) 224 (15): jeb242732.
Published: 6 August 2021
.... Published by The Company of Biologists Ltd 2021 Summary: Ants can learn to associate an odour with a reward; blocking receptors for the neurotransmitter octopamine prevents learning, and blocking dopamine receptors affects long-term memory. Associative learning Lasius niger Long-term...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (8): jeb242157.
Published: 16 April 2021
... granulata can be trained to associate a specific environment with an appetitive reward in a conditioned place preference task. After a single training trial, when the crabs were presented with a food pellet in the target quadrant of the training arena, they were able to form a long-term memory related...
Journal Articles
J Exp Biol (2021) 224 (6): jeb242180.
Published: 15 March 2021
... memory was retained for at least 48 h, although a single bout of training was also enough to form a long-term memory. Cooling animals at 4°C or injection of cycloheximide immediately after training altered the formation of long-term memory, but had no effect on short-term memory formation. Administration...
Journal Articles
J Exp Biol (2020) 223 (15): jeb223727.
Published: 4 August 2020
.... Previously, two combinations of stressors were purported to prevent long-term memory (LTM) formation in ‘smart’ Lymnaea and this inability to form LTM was considered to be a cost of being smart. Here, we show that is not the case. The specific combinations of stressors used here cause emotional memory...
Journal Articles
In collection:
J Exp Biol (2017) 220 (18): 3315–3326.
Published: 15 September 2017
..., suggesting that colour cues might constitute an important sensory modality during foraging and orientation. Vision Cognitive capacity Colour learning Colour memory retrieval Mid-term memory Long-term memory Despite the importance of vision in the daily tasks of an ant, our knowledge about...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (17): 3026–3038.
Published: 1 September 2017
... formation. This effect of WIN 55 injection persisted for at least 4 days following its injection. A similar obstruction of learning and memory occurred when a severe traumatic stimulus was delivered to L. stagnalis . In contrast, injection of a mammalian CBr antagonist AM 251 enhanced long-term memory...
Journal Articles
J Exp Biol (2017) 220 (9): 1548–1553.
Published: 1 May 2017
... memories lose their specificity over time, mimicking the situation in rodents and humans. Aversive associative memory Drosophila melanogaster Generalization Long-term memory Olfaction Post-traumatic stress disorder PTSD Associatively learning the predictors of noxious events...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (3): 408–413.
Published: 1 February 2017
...Tamila Shymansky; Amy Protheroe; Emily Hughes; Cayley Swinton; Erin Swinton; Kai S. Lukowiak; Iain Phillips; Ken Lukowiak ABSTRACT Previously, it was concluded that the nervous systems of juvenile snails were not capable of mediating long-term memory (LTM). However, exposure and training of those...
Journal Articles
J Exp Biol (2016) 219 (9): 1337–1345.
Published: 1 May 2016
.... One such stressor is heat. Previously, we found that following a 1 h heat shock, long-term memory (LTM) formation was enhanced. We also had shown that the heat stressor activates at least two heat shock proteins (HSPs): HSP40 and HSP70. Here, we tested two hypotheses: (1) the production of HSPs...
Journal Articles
J Exp Biol (2016) 219 (6): 816–823.
Published: 15 March 2016
...Bogdan Knezevic; Yoshimasa Komatsuzaki; Emily de Freitas; Ken Lukowiak ABSTRACT The ability to remember is influenced by environmental and lifestyle factors, such as stress and diet. A flavanol contained in chocolate, epicatechin (Epi), has been shown to enhance long-term memory (LTM) formation...
Journal Articles
J Exp Biol (2015) 218 (23): 3788–3796.
Published: 1 December 2015
...Christina Scholl; Natalie Kübert; Thomas S. Muenz; Wolfgang Rössler ABSTRACT Honeybees are able to solve complex learning tasks and memorize learned information for long time periods. The molecular mechanisms mediating long-term memory (LTM) in the honeybee Apis mellifera are, to a large part...
Journal Articles
J Exp Biol (2015) 218 (11): 1699–1704.
Published: 1 June 2015
...Etsuro Ito; Miki Yamagishi; Dai Hatakeyama; Takayuki Watanabe; Yutaka Fujito; Varvara Dyakonova; Ken Lukowiak ABSTRACT Food deprivation for 1 day in the pond snail Lymnaea stagnalis before aversive classical conditioning results in optimal conditioned taste aversion (CTA) and long-term memory (LTM...
Journal Articles
J Exp Biol (2015) 218 (6): 923–930.
Published: 15 March 2015
...Shawn Xavier Dodd; Ken Lukowiak ABSTRACT Stress alters the formation of long-term memory (LTM) in Lymnaea . When snails are exposed to more than one stressor, however, how the memory is altered becomes complicated. Here, we investigated how multiple stressors applied in a specific pattern affect...
Journal Articles
J Exp Biol (2014) 217 (16): 2920–2929.
Published: 15 August 2014
... expression of long-term memory of operantly conditioned respiratory behavior. We have shown that several different manipulations, including pre-training exposure to serotonin (5-HT) or methamphetamine, submersion of snails after training to prevent memory interference, and exposure to effluent from predatory...
Journal Articles
J Exp Biol (2014) 217 (13): 2321–2330.
Published: 1 July 2014
... synthesis inhibitor (cycloheximide; to disrupt the formation of long-term memory) both affected mosquitoes' performances. Together, these results show that learning is a crucial component in odour responses in A. aegypti , and provide the first evidence for the functional role of different memory traces...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (1): 76–83.
Published: 1 January 2014
... here on how environmentally relevant stressors alter learning, memory and forgetting in the pond snail, Lymnaea stagnalis . Operant conditioning of aerial respiration causes associative learning that may lead to long-term memory (LTM) formation. However, individual ecologically relevant stressors...
Journal Articles
J Exp Biol (2013) 216 (10): 1799–1807.
Published: 15 May 2013
... in either a massed or spaced conditioning protocol to examine how these pesticides affected performance during learning and short- and long-term memory tasks. We found that bees exposed to imidacloprid, coumaphos, or a combination of these compounds, were less likely to express conditioned proboscis...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (24): 4322–4329.
Published: 15 December 2012
... here (Dutch strain), a single 0.5 h training session (TS) results in intermediate-term (3 h) but not long-term memory (LTM). Applying the thermal stressor during training caused memory enhancement (i.e. LTM lasting 24 h). However, the breathing rate also increased in warm water, which might explain...
Journal Articles
J Exp Biol (2012) 215 (20): 3566–3576.
Published: 15 October 2012
... of Lymnaea stagnalis as an invertebrate model to elucidate the effects of flavonoids on cognition. (−)Epicatechin (epi) is a flavonoid present in cocoa, green tea and red wine. We studied its effects on basic snail behaviours (aerial respiration and locomotion), long-term memory (LTM) formation and memory...
Journal Articles
J Exp Biol (2012) 215 (3): 559–565.
Published: 1 February 2012
... calcium imaging olfactory learning long-term memory generalization Behavioral, physiological and genetic approaches have identified the mushroom bodies (MBs) as essential structures in the insect brain that are involved in learning and memory formation, for example in Drosophila ( de Belle...