About: Lunate sulcus

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In brain anatomy, the lunate sulcus or simian sulcus, also known as the sulcus lunatus, is a fissure in the occipital lobe variably found in humans and more often larger when present in apes and monkeys. The lunate sulcus marks the transition between V1 and V2.

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  • In brain anatomy, the lunate sulcus or simian sulcus, also known as the sulcus lunatus, is a fissure in the occipital lobe variably found in humans and more often larger when present in apes and monkeys. The lunate sulcus marks the transition between V1 and V2. The lunate sulcus lies further back in the human brain than in the chimpanzee's. The evolutionary expansion in humans of the areas in front of the lunate sulcus would have caused a shift in the location of the fissure. Evolutionary pressures may have resulted in the human brain undergoing internal reorganization to develop the capability of language. It has been speculated that this reorganization is implemented during early maturity and is responsible for eidetic imagery in some adolescents. During early development, the neural connections in prefrontal cortex and posterior parietal lobe rapidly expand to allow capability for human language, while visual memory capacity of human brain would become limited. Biological studies have demonstrated that the lunate sulcus is subject to white matter growth, and dental fossil and tomography studies have shown that the brain organization of Australopithecus africanus is pongid-like. (en)
  • 月状溝(げつじょうこう、Lunate sulcus)は大脳の後頭葉にある脳溝のひとつ。一次視覚野(有線皮質)の外側前方の境界を形成している。 (ja)
  • Nell'anatomia cerebrale, il solco lunato è una fessura del lobo occipitale che si ritrova negli umani e anche in scimmie, dove lo ritrova più largo. (it)
  • 月状沟(英文:Lunate sulcus)是大脑枕叶的一条脑沟,存在于人脑以及猿、猴的脑中。该结构是初级视觉皮层(V1)以及次级视觉皮层(V2)之间的过渡带。月状沟由英国解剖学家格拉夫顿·E·史密斯于20世纪初发现。 (zh)
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  • Lateral surface of left cerebral hemisphere, viewed from the side. (en)
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  • sulcus lunatus (en)
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  • Lunate sulcus (en)
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  • 月状溝(げつじょうこう、Lunate sulcus)は大脳の後頭葉にある脳溝のひとつ。一次視覚野(有線皮質)の外側前方の境界を形成している。 (ja)
  • Nell'anatomia cerebrale, il solco lunato è una fessura del lobo occipitale che si ritrova negli umani e anche in scimmie, dove lo ritrova più largo. (it)
  • 月状沟(英文:Lunate sulcus)是大脑枕叶的一条脑沟,存在于人脑以及猿、猴的脑中。该结构是初级视觉皮层(V1)以及次级视觉皮层(V2)之间的过渡带。月状沟由英国解剖学家格拉夫顿·E·史密斯于20世纪初发现。 (zh)
  • In brain anatomy, the lunate sulcus or simian sulcus, also known as the sulcus lunatus, is a fissure in the occipital lobe variably found in humans and more often larger when present in apes and monkeys. The lunate sulcus marks the transition between V1 and V2. (en)
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  • Solco lunato (it)
  • Lunate sulcus (en)
  • 月状溝 (ja)
  • 月状沟 (zh)
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  • Lunate sulcus (en)
  • sulcus lunatus (en)
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