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Hippocampus (Medial Temporal Lobe) Dentate gyrus; Cornu ammonis (CA fields) Cornu ammonis area 1 (CA1) Cornu ammonis area 2 (CA2) Cornu ammonis area 3 (CA3) Cornu ammonis area 4 (CA4) Amygdala (limbic system) (limbic lobe) Central nucleus (autonomic nervous system) Medial nucleus (accessory olfactory system) Cortical and basomedial nuclei (main ...
In 2021, scientists suggested that the brains of early Homo from Africa and Dmanisi, Georgia, Western Asia "retained a great ape-like structure of the frontal lobe" for far longer than previously thought – until about 1.5 million years ago.
The main functions of the frontal lobe are to control attention, abstract thinking, behaviour, problem-solving tasks, and physical reactions and personality. [25] [26] The occipital lobe is the smallest lobe; its main functions are visual reception, visual-spatial processing, movement, and colour recognition.
In human anatomy, the piriform cortex has been described as consisting of the cortical amygdala, uncus, and anterior parahippocampal gyrus. [1] More specifically, the human piriform cortex is located between the insula and the temporal lobe , anteriorly and laterally of the amygdala.
[1] Its various components support a variety of functions including emotion, behavior, long-term memory, and olfaction. [2] The limbic system is involved in lower order emotional processing of input from sensory systems and consists of the amygdala, mammillary bodies, stria medullaris, central gray and dorsal and ventral nuclei of Gudden. [3]
The volume of the human BA10 is about 14 cm 3 and constitutes roughly 1.2% of total brain volume. This is twice what would be expected in a hominoid with a human-sized brain. By comparison, the volume of BA10 in bonobos is about 2.8 cm 3, and makes up only 0.74% of its brain volume. In each hemisphere, area 10 contains an estimated 250 million ...
Each hemisphere contains sections of all 4 lobes: the frontal lobe, parietal lobe, temporal lobe, and occipital lobe. The two hemispheres are separated along the mediated longitudinal fissure and are connected by the corpus callosum which allows for communication and coordination of stimuli and information. [ 13 ]
The parietal lobe is located directly behind the central sulcus, superior to the occipital lobe and posterior to the frontal lobe, visually at the top of the back of the head. [18] The make up of the parietal lobe is defined by four anatomical boundaries in the brain, providing a division of all the four lobes. [18]