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Dissecting the hypothalamic pathways that underlie innate behaviors

Neuroscience Bulletin 2015年第6期31卷 629-648页

作者： Xi Zha Xiaohong Xu Institute of Neuroscience State Key Laboratory of NeuroscienceCAS Center for Excellence in Brain Science and Intelligence TechnologyShanghai Institutes for Biological SciencesChinese Academy of Sciences University of the Chinese Academy of Sciences

Many complex behaviors that do not require learning are displayed and are termed innate. Although traditionally the subject matter of ethology, innate behaviors offer a unique entry point for neuroscientists to dissect the physiological mechanisms governing complex behaviors. Since the last century, converging evidence has implicated the hypothalamus as the central brain area that controls innate behaviors. Recent studies using cutting-edge tools have revealed that genetically-defined populations of neurons residing in distinct hypothalamic nuclei and their associated neural pathways regulate the initiation and maintenance of diverse behaviors including feeding, sleep, aggression, and parental care. Here, we review the newly-defined hypothalamic pathways that regulate each innate behavior. In addition, emerging general principles of the neural control of complex behaviors are discussed.

关键词： hypothalamus innate behaviors neural circuit optogenetics neural network

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The Superior Colliculus:Cell Types,Connectivity,and Behavior

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Neuroscience Bulletin 2022年第12期38卷 1519-1540页

作者： Xue Liu Hongren Huang Terrance PSnutch Peng Cao Liping Wang Feng Wang Shenzhen Key Lab of Neuropsychiatric Modulation Guangdong Provincial Key Laboratory of Brain Connectome and BehaviorCAS Key Laboratory of Brain Connectome and Manipulationthe Brain Cognition and Brain Disease InstituteShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research InstitutionsShenzhen 518055China University of Chinese Academy of Sciences Beijing 100049China Michael Smith Laboratories and Djavad Mowafaghian Centre for Brain Health University of British ColumbiaVancouver V6T 1Z4Canada National Institute of Biological Sciences Beijing 100049China

The superior colliculus(SC),one of the most well-characterized midbrain sensorimotor structures where visual,auditory,and somatosensory information are integrated to initiate motor commands,is highly conserved across vertebrate ***,cell-type-specific SC neurons integrate afferent signals within local networks to generate defined output related to innate and cognitive *** review focuses on the recent progress in understanding of phenotypic diversity amongst SC neurons and their intrinsic circuits and long-projection *** further describe relevant neural circuits and specific cell types in relation to behavioral outputs and cognitive *** systematic delineation of SC organization,cell types,and neural connections is further put into context across species as these depend upon laminar ***,we focus on SC neural circuitry involving saccadic eye movement,and cognitive and innate ***,the review provides insight into SC functioning and represents a basis for further understanding of the pathology associated with SC dysfunction.

关键词： Superior colliculus Glutamatergic neurons GABAergic neurons Neuronal circuits innate behaviors

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