Aplysia Neurons
Aplysia Neurons - Related Videos
09:54
Live-imaging of PKC Translocation in Sf9 Cells and in Aplysia Sensory Neurons
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Cited by 14 •
2011
In this video, we demonstrate visualization of PKC translocation in living cells using fluorescently tagged PKCs.
17:27
Preparation of Aplysia Sensory-motor Neuronal Cell Cultures
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Cited by 37 •
2009
Primary cultures of Aplysia sensory-motor neurons provide a model preparation for studying synapse formation and synaptic plasticity in vitro. This video demonstrates the identification and microdissection of sensory and motor neurons from Aplysia ganglia as well as the methods for establishing and maintaining sensory-motor neurons in culture.
09:11
Aplysia Ganglia Preparation for Electrophysiological and Molecular Analyses of Single Neurons
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Cited by 9 •
2014
Marine snail Aplysia californica has been widely used as a neurobiology model for the studies on cellular and molecular basis of behavior. Here a methodology is described for exploring the nervous system of Aplysia for the electrophysiological and molecular analyses of single neurons of identified neural circuitry.
16:29
Neuronal Cell Cultures from Aplysia for High-Resolution Imaging of Growth Cones
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Cited by 18 •
2008
Aplysia californica neurons develop large growth cones in culture that are excellent for high-resolution imaging of growth cone motility and guidance. Here, we present a protocol for dissection and plating of Aplysia bag cell neurons as well as for setting up a chamber for live cell imaging.
13:37
Extracellularly Identifying Motor Neurons for a Muscle Motor Pool in Aplysia californica
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Cited by 23 •
2013
In animals with large identified neurons (e.g. mollusks), analysis of motor pools is done using intracellular techniques1,2,3,4. Recently, we developed a technique to extracellularly stimulate and record individual neurons in Aplysia californica5. We now describe a protocol for using this technique to uniquely identify and characterize motor neurons within a motor pool.
FAQs
Electrical impulses carry activity along nerve cells, while chemical synapses transmit signals between connected cells. Studying both stages allows researchers to examine how neural activity moves through a circuit rather than focusing only on individual cells. This distinction helps connect cellular signaling with the circuit activity that supports behavior in Aplysia.
Changes in synaptic strength provide a cellular mechanism for altering how strongly neurons influence one another. In Aplysia, these changes are examined in relation to habituation and sensitization, allowing researchers to connect modified communication between neurons with learning-related behavioral responses. The system therefore links synaptic plasticity to changes in nervous-system function.
Identifiable sensory, motor, and interneurons let researchers follow corresponding cells across animals and examine their relationships within a circuit. This consistency makes it possible to associate activity in particular neuron types with information processing and behavior. The approach provides a cellular view of how coordinated neural circuits generate observable responses.
Researchers identify relevant sensory, motor, or interneurons and examine their activity with electrophysiological methods. They can then relate electrical activity and synaptic communication to circuit function and behavioral responses. Because comparable neurons can often be recognized across animals, findings can be interpreted across experiments while preserving a direct connection between cells and behavior.
Their accessibility and consistent identification allow researchers to study synaptic changes at the level of individual cells and connected circuits. Those observations can be related to habituation, sensitization, and other learning-related responses. Aplysia therefore serves as a biological system for examining how synaptic plasticity contributes to memory formation.
Studies of these neurons address how nervous systems process information, communicate across synapses, and generate behavior. They also provide research context for neural circuit function, synaptic plasticity, and memory formation. By linking electrophysiological observations with behavioral responses, the Aplysia system supports analysis across cellular, circuit, and organismal levels.