Working Brain
Brain anatomy
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AUTOIMMUNE EPIDEMICFriday, 24 June 2005
Nervous System Brain
Contents
Neurons and NervesNeurotransmitter
The Brain
Spinal Cord
Peripheral Nervous System
Autonomic Nervous System
Senses: Sight,Senses, Smell,Taste, Sences,Senses
Memory
Higher Functions
Altered States
| Structure | Location | Functions |
|---|---|---|
| Thalamus | in the middle of the limbic system | relays incoming information (except smell) to the appropriate part of the brain for further processing. |
| Hypothalamus, Pituitary Gland | beneath thalamus | regulates basic biological drives, hormonal levels, sexual behavior, and controls autonomic functions such as hunger, thirst, and body temperature. |
| Optic Chiasm | in front of the pituitary gland | left-right optic nerves cross-over point. |
| Septum | adjacent to hypothalamus | stimulates sexual pleasure |
| Hippocampus | within the temporal lobe | mediates learning and memory formation. |
| Amygdala | in front of the hippocampus | responsible for anxiety, emotion, and fear |
| Mammillary Body, Fornix | linked to the hippocampus | have a role in emotional behavior, learning, and motivation. |
| Caudate Nucleus, Putamen, Globus Pallidus,Basal Ganglia (Striatum) | outside the thalamus | involves in movement, emotions, planning and in integrating sensory information |
| Ventricles and Central Canal | from tiny central canal within the spinal cord to the enlarged hollows within the skull called ventricles | fills with cerebrospinal fluid for mechanical protection. |
| Cingulate Gyrus | above corpus callosum | concentrates attention on adverse internal stimuli such as pain, contains the feeling of self. |
| Corpus Callosum | under the cingulate gyrus | is a bundle of nerve fibers linking the cerebral hemispheres, involve in language learning. |
| Forebrain (Human Brain) | ||
| Frontal Lobe (Conscious Brain) | in front of the head | controls voluntary movement, thinking, and feeling. |
| Prefrontal Cortex | in front of the frontal lobe | inhibits inappropriate actions, forms plans and concepts, helps focus attention, and bestows meaning to perceptions. |
| Parietal Lobe | in top rear of the head | contains the primary somatosensory area that manages skin sensation. |
| Occipital Lobe | in the back of the head | contains the visual cortex to manage vision. |
| Temporal Lobe | on each side of the head above the temples | contains the auditory cortex to manage hearing and speech. |
Table 02 Human Brain
Third eye; The parietal eye is not an eye in the traditional sense in that it does not see images, but rather is a photosensitive organ which only reacts to light and dark. The parietal eye is connected to the pineal body and is used to trigger hormone production and thermoregulation. It often shows up as either a dark spot or an opalescent spot. Opsin proteins sensitive to blue and green light has been identified in the cell.