A Preliminary Analysis of Sleep-Like States in the Cuttlefish Sepia officinalis

Frank, Marcos G.; Waldrop, Robert H.; Dumoulin, Michelle C.; Aton, Sara J.; Boal, Jean Geary

doi:10.1371/journal.pone.0038125

Cited by 46 publications

(54 citation statements)

References 25 publications

(31 reference statements)

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“…REM sleep — as operationally defined by the foregoing electro-physiological and behavioral signs (see introduction) — has been identified in terrestrial mammals [21,22], birds [23–25], reptiles (e.g., bearded dragons) [26] and some aquatic invertebrates (e.g., cuttlefish) [27], suggesting that this behavioral state is conserved across the animal kingdom. Possible exceptions include insects and nematodes, although there is some anecdotal evidence that even these animals may exhibit some of the classical features of mammalian REM sleep such as REM sleep-like muscle twitches [28].…”

Section: Rem Sleep Across Speciesmentioning

confidence: 99%

Neuroscience: A Distributed Neural Network Controls REM Sleep

Peever

Fuller

2016

Current Biology

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Considerable advances in our understanding of the mechanisms and functions of rapid-eye-movement (REM) sleep have occurred over the past decade. Much of this progress can be attributed to the development of new neuroscience tools that have enabled high-precision interrogation of brain circuitry linked with REM sleep control, in turn revealing how REM sleep mechanisms themselves impact processes such as sensorimotor function. This review is intended to update the general scientific community about the recent mechanistic, functional and conceptual developments in our current understanding of REM sleep biology and pathobiology. Specifically, this review outlines the historical origins of the discovery of REM sleep, the diversity of REM sleep expression across and within species, the potential functions of REM sleep (e.g., memory consolidation), the neural circuits that control REM sleep, and how dysfunction of REM sleep mechanisms underlie debilitating sleep disorders such as REM sleep behaviour disorder and narcolepsy.

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Section: Rem Sleep Across Speciesmentioning

confidence: 99%

Neuroscience: A Distributed Neural Network Controls REM Sleep

Peever

Fuller

2016

Current Biology

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“…The latter is a continuation of the MAS behavior seen in embryos and occasionally escalates to “acting out” of waking behaviors (Corner, ). Evidence for the importance of this behavior comes from experiments showing that when deprived of the ability to rest for 48 hr, the cuttlefish spends more time resting in the subsequent 24 hr, presumably to compensate for the deprivation (Frank et al, ). Hatching marks the advent of wake‐like behavior, and with age, the incidence of sleep decreases, while wake‐like behavior increases (Corner, ).…”

Section: Hatchlings and Early Juvenilesmentioning

confidence: 99%

“…Juvenile cuttlefish display a nocturnal pattern of activity, with movement peaking during the night (Frank, Waldrop, Dumoulin, Aton, & Boal, 2012), and the Day mostly spent buried or camouflaged (Hanlon & Messenger, 1988). Two potential forms of sleep are present:…”

Section: Sleepmentioning

confidence: 99%

Behavioral development in embryonic and early juvenile cuttlefish (Sepia officinalis)

Mezraï

Darmaillacq

Dickel

2016

Developmental Psychobiology

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Though a mollusc, the cuttlefish Sepia officinalis possesses a sophisticated brain, advanced sensory systems, and a large behavioral repertoire. Cuttlefish provide a unique perspective on animal behavior due to their phylogenic distance from more traditional (vertebrate) models. S. officinalis is well-suited to addressing questions of behavioral ontogeny. As embryos, they can perceive and learn from their environment and experience no direct parental care. A marked progression in learning and behavior is observed during late embryonic and early juvenile development. This improvement is concomitant with expansion and maturation of the vertical lobe, the cephalopod analog of the mammalian hippocampus. This review synthesizes existing knowledge regarding embryonic and juvenile development in this species in an effort to better understand cuttlefish behavior and animal behavior in general. It will serve as a guide to future researchers and encourage greater awareness of the utility of this species to behavioral science.

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“…18,23 Sleep in invertebrates can be defined using behavioral characteristics including defined periods of inactivity, characteristic body posture during rest, preferred pii: sp-00313- 16 http://dx.doi.org/10.5665/sleep.6320…”

Section: Introductionmentioning

confidence: 99%

Acute Sleep Deprivation Blocks Short- and Long-Term Operant Memory inAplysia

Krishnan

Gandour

Ramos

et al. 2016

Sleep

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Study Objectives: Insufficient sleep in individuals appears increasingly common due to the demands of modern work schedules and technology use. Consequently, there is a growing need to understand the interactions between sleep deprivation and memory. The current study determined the effects of acute sleep deprivation on short and long-term associative memory using the marine mollusk Aplysia californica, a relatively simple model system well known for studies of learning and memory. Methods: Aplysia were sleep deprived for 9 hours using context changes and tactile stimulation either prior to or after training for the operant learning paradigm, learning that food is inedible (LFI). The effects of sleep deprivation on short-term (STM) and long-term memory (LTM) were assessed. Results: Acute sleep deprivation prior to LFI training impaired the induction of STM and LTM with persistent effects lasting at least 24 h. Sleep deprivation immediately after training blocked the consolidation of LTM. However, sleep deprivation following the period of molecular consolidation did not affect memory recall. Memory impairments were independent of handling-induced stress, as daytime handled control animals demonstrated no memory deficits. Additional training immediately after sleep deprivation failed to rescue the induction of memory, but additional training alleviated the persistent impairment in memory induction when training occurred 24 h following sleep deprivation. Conclusions: Acute sleep deprivation inhibited the induction and consolidation, but not the recall of memory. These behavioral studies establish Aplysia as an effective model system for studying the interactions between sleep and memory formation.

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A Preliminary Analysis of Sleep-Like States in the Cuttlefish Sepia officinalis

Cited by 46 publications

References 25 publications

Neuroscience: A Distributed Neural Network Controls REM Sleep

Neuroscience: A Distributed Neural Network Controls REM Sleep

Behavioral development in embryonic and early juvenile cuttlefish (Sepia officinalis)

Acute Sleep Deprivation Blocks Short- and Long-Term Operant Memory inAplysia

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