## ci_insertion.jpg

The image consists of two side-by-side illustrations that compare a normal cochlea with one affected by hearing loss. The illustrations are labeled with various parts of the ear and include frequency labels for sound waves.

### Left Illustration: Normal Cochlea

1. **Cochlea**: This is the spiral-shaped structure in the inner ear responsible for converting sound into neural signals.
2. **Round Window**: A small opening at one end of the cochlea, which allows fluid movement to help amplify vibrations.
3. **Hearing Nerve**: The nerve that transmits auditory information from the cochlea to the brain.
4. **Electrode Array**: A series of electrodes placed along the spiral of the cochlea. These are used in cochlear implants to stimulate the hearing nerve directly.

The frequencies (in Hertz) for different parts of the cochlea are labeled:
- 100 Hz near the base
- 500 Hz further up
- 8 kHz towards the top

### Right Illustration: Cochlea with Hearing Loss

This illustration shows a similar structure but includes an additional "Barrier" that is placed inside the cochlea, which represents the effect of hearing loss.

1. **Cochlea**: Similar to the left image.
2. **Round Window**: Same as in the left image.
3. **Hearing Nerve**: Same as in the left image.
4. **Electrode Array**: Same as in the left image.
5. **Barrier**: A dark gray area placed inside the cochlea, indicating a blockage or reduction of function due to hearing loss.

The frequencies (in Hertz) for different parts of the cochlea are labeled:
- 100 Hz near the base
- 4 kHz towards the top

### Comparison

Both illustrations show that the electrode array is placed along the spiral of the cochlea, but in the right illustration, there's a barrier that affects the upper part of the cochlea. This barrier represents how hearing loss can affect different frequencies differently.

The left image shows normal function with clear labeling for various parts and frequencies, while the right image highlights the impact of hearing loss by adding a barrier to the cochlea structure.

This description was generated automatically from image files by a local LLM, and thus, may not be fully accurate. Please feel free to ask questions if you have further questions about the nature of the image or its meaning within the presentation.