The Lateral Geniculate Body

The lateral geniculate body (LGB) is an essential structure of the visual system, playing a fundamental role in the processing of visual information. It receives nerve impulses from the retina, sorting this information before transmitting it to the visual areas. The LGB is composed of several layers, each specialized: parvocellular cells process color and shape, magnocellular cells detect movement and orientation, while cagnocellular cells focus on spatial frequencies. Approximately 80% of the information processed by the LGB is sent directly to the visual areas, the rest being directed to the pulvinar for more subtle processing.

In addition, the lateral geniculate body is involved in multisensory integration, linking visual information to auditory and vestibular systems. This integration is crucial for actions such as ocular saccades and head orientation. Furthermore, the LGB is connected to the Papez circuit, which plays a role in memory, linking visual information to past experiences. Thus, the lateral geniculate body is not only a visual processing center but also a key player in our perception of reality, influencing our interpretation of information based on our experiences and emotions.