Medical animation: Making it easier for the site and the patient to understand
Medical animation has in recent years become an increasingly important tool for conveying niche information to a varied audience, particularly to those audiences without expertise in the specialist area. Science programmes today, for example, have moved from the piece-to-camera of the university professor explaining how a complex disease mechanism works, to actually showing the viewer first-hand what it might look like to shrink ourselves down to the size of an ant’s foot, and travel inside the human body to witness these processes in action. Effectively communicating a complex disease pathophysiology, or the novel mechanism of action of a new drug, can be complex. This is especially difficult when the audience domain knowledge is limited or non-existent. Medical animation can help with this communication challenge in several ways.
Improved accessibility to visualisation
Visualisation is a core component of our ability to understand a concept. Ask 10 people to visualise an apple, and each will come up with a slightly different image, some apples smaller than others, some more round, some with bites taken. Acceptable, you say, we can move on to the next part of the story. Now ask 10 people to visualise how HIV’s capsid protein gets arranged into the hexamers and pentamers that form the viral capsid that holds HIV’s genetic material. This request may pose a challenge even to someone with some virology knowledge, and it is that inability to effectively visualise what is going on that holds us back from fully understanding the rest of the story. So how does medical animation help us to overcome this visualisation challenge?
Visualisation of a HIV Capsid
(Medical Animation visuals by FIRECREST at ICON)
Click on the image to see the full-sized version
Firstly, advances in scientific technologies, such as x-ray crystallography, NMR spectroscopy, and electron microscopy gave us the ability to determine the atomic structure and develop realistic structural models for many of the proteins which instigate different diseases. We can even detect structural differences in proteins that are bound to other molecules, that are in active or inactive states, or that have a drug candidate bound to them.
Due to the vast improvements in 3-dimensional modelling programs over the last decade, medical animation enables us to take those scientifically-accurate structural models and mechanistic information of proteins and manipulate them in a virtual environment. This allows us to create accurate, dynamic visualisations that are much more accessible and understandable to a wider population than a paragraph of technical scientific text ever could be. Animation brings science and medicine to life, because it visualises the “result” of huge amounts of complex information just like we don’t need to know exactly how Google’s search engine works in order for us to appreciate the search results it returns. Improving accessibility to visualisation means that we can more quickly and easily appreciate the conceptual model being discussed, and so offers an “in” to following and understanding the next part of the story.
Balancing scientific accuracy and artistic license
Simplification of a complex body of scientific and medical knowledge into the key components required to communicate a message effectively, is one of the pluses of communicating using medical animation. The art of storytelling and clear communication comes from understanding what not to show the audience, as much as it comes from knowing what to show. For example, you may want to communicate that neurotransmitters are transported to the pre-synapse of a neuron and then fuse with the cell membrane to be released into the synaptic cleft. However, we don’t need to show the hundreds of auxiliary proteins involved in their transport, or the thousands of other structures that inhabit the same cellular space ( http://rizzoli-lab.de/the-neuron-nanomap/ ) as our molecules of interest. It only requires that we include the molecular players that are key to telling the story, whilst maintaining an accurate portrayal of the mechanisms involved. Effective communication is about finding that balance between scientific accuracy and artistic license.
Simplification avoids information overload whilst delivering the key information, therefore clarifying the communication. In this way, medical animation has the ability to unite viewers around a simplified, singular conceptual model. This in turn can facilitate dialogue and discussion between people with different levels of knowledge, because everyone has a common, clear, conceptual model to work from.
Structured information delivery
When communicating with people who have limited time, it is important to convey your message in a concise manner. Therefore, medical writers must condense essential information into focused, structured lessons that follow logical sequential steps. The steps are carefully designed beforehand, which helps the viewer to follow a coherent story flow and process information more easily. By its very nature, medical animation can enhance this type of information condensation. For example, we can visually traverse multiple environments in a matter of seconds; from a view of a person’s body, to their lungs, on to their alveoli, down to the cell level, finally reaching a receptor on the cell surface. This visual approach maintains a strong context of the subject matter, while reducing the time needed to convey the information.
Firstly, advances in scientific technologies, such as x-ray crystallography, NMR spectroscopy, and electron microscopy gave us the ability to determine the atomic structure and develop realistic structural models for many of the proteins which instigate different diseases. We can even detect structural differences in proteins that are bound to other molecules, that are in active or inactive states, or that have a drug candidate bound to them.
Due to the vast improvements in 3-dimensional modelling programs over the last decade, medical animation enables us to take those scientifically-accurate structural models and mechanistic information of proteins and manipulate them in a virtual environment. This allows us to create accurate, dynamic visualisations that are much more accessible and understandable to a wider population than a paragraph of technical scientific text ever could be. Animation brings science and medicine to life, because it visualises the “result” of huge amounts of complex information just like we don’t need to know exactly how Google’s search engine works in order for us to appreciate the search results it returns. Improving accessibility to visualisation means that we can more quickly and easily appreciate the conceptual model being discussed, and so offers an “in” to following and understanding the next part of the story.
Utilising medical animation to illustrate the complex processes that occur at the cellular and molecular levels. (Medical Animation visuals by FIRECREST at ICON)
Click on the image to see the full-sized version
Meandering descriptions and discussions that go off on irrelevant tangents are replaced with a structured, concise, coherent, and illustrated message in an easy-to-follow medium. Hence, time saved and the message is delivered.
Multi-modal information delivery that leaves a lasting impact
Probably the main benefit of medical animation in meeting the challenges of information communication is the multi-modal approach it takes to information delivery; namely, the combination of graphics, audio narration, and text. We know that people consume information and learn in different ways; some prefer to read, some prefer to listen to audio with their eyes closed, whilst others prefer to see what is going on. Medical animation delivers all three modes (though on-screen text is minimised) to help maximise the information transfer and enhance the learning experience of the end-user.
Graphical information is considered to be the mode that leads to best recall, and delivers a conceptual model that can serve as a basis for further learning. Medical animations are as much about the narration as the visual graphics, as narration carries the actual message that you want to communicate. The voice-over artist’s gender, narration tone (for example, authoritative, factual, compassionate) and pacing, all contribute to whether a particular audience will be receptive to the narrators message. If a medical animation needs to be localised to another language, care is taken to ensure the meaning of the message is not altered during translation. On-screen text is timed to coincide with the audio narration, and is used to further reinforce key learning points. Together, these integrated elements provide a powerful medium of information delivery to the viewer.
Outro
Delivering medical and scientific information in a way that can engage both the investigative site and the patient is a challenge, and one that is becoming increasingly tough in this age of information overload and protocol complexity. Medical animation provides a powerful medium to deliver information in a simplified, structured way for both the patient and site education.