Cyborgs - Science Fiction to Scientific Reality

The year is 2021. It is two decades after the 9100 electrodes was implanted into his wrist to
11 attacks. A group of terrorists are seated at anenable scientists to interpret nerve signals arising
outdoor café discussing their plans. A catfrom movement and sensation with the hope of
observes from about 5 meters away. Images areproviding breakthroughs for the paralyzed.
transmitted from its brain providing real-timeCybernetic technology is, at a minimum, from a
information. At the same time, a tiny beetle goesmedical standpoint, being directed at several areas.
unnoticed as it takes position underneath the table.A summary of progress and future aspirations
It is outfitted with a nano-listening device thatfor these areas is listed below:
transmits the content of the terrorists' discussionSight:
also in real-time. A few minutes later, a couple of· In February 2007 Gingersnap, a
pigeons land nearby and begin pecking for crumbs.4-year-old Abyssinian cat suffering from a
As they do so, they inch closer to the table. Acondition similar to retinitis pigmentosa (an
few minutes later, each pigeon lifts a wingincurable genetic disease that attacks the eye's
dispensing a poisoned dart. Before the terroristsphotoreceptor cells leading to blindness) was
can react, each is dead. Elsewhere in the world, aimplanted with 2-millimeter-wide artificial silicon
soldier who lost his arms and legs in combat,retina (ASR) chips (each covered by 5,000
through sheer perseverance and utilization ofmicrophotodiodes that react to light. When these
bionic limbs wins a triathlon. In the process, hemicrophotodiodes react, electric signals are sent
outperforms mere mortals with natural limbs.through the eye's optic nerve to the brain allowing
Sound far-fetched? Not anymore! Cyborgs - partit to detect light impulses) manufactured by
machine, part biological organism that can be usedOptobionics to preserve her vision. As technology
for scientific, medical, military/intelligence/lawimproves, additional data will likely be able to be
enforcement purposes, have become a realitytransmitted enabling the brain to decipher
thanks to scientific and technological advancescomplete images.
presenting both promise (e.g. the possibility of· Retinal implants are currently in use to
significant medical breakthroughs to restore andcombat macular degeneration (a disorder that
enhance quality of life and to extend life itself) andresults in loss of vision in the macula located at
trepidation (e.g. as machine and organism merge,the center of the eye, which makes it difficult to
the delineating boundary of life becomes blurredsee fine details).
impacting associated rights while the possibility of· Contact lenses called "I, Contact" that
controlling human thought and action becomesinterface with a computer mouse, in which eyeball
frighteningly real).movement controls cursor movement, have been
The term "cyborg" was coined by NASAdeveloped to assist the disabled.
scientists Manfred Clynes and Nathan Kline in 1960· Researchers at the University of
when discussing the hypothetical advantages ofWashington, having developed contact lenses with
human-machines in space. Although suchelectronic circuits and red-LEDs, are working on
cybernetic organisms became the realm oflenses (ultimately to be powered by human neural
science fiction, efforts to create real-life cyborgselectrical activity) that could one day provide tele
began even before the term was conceived andmicroscopic vision, enable people to view the
continue to this day.infrared portion of the light spectrum, take
· In 1950 José Delgado of Yalepictures, make videos, and even superimpose
University inserted electrodes onto a bull's brain toimages accessed from the Internet via WiFi.
gain crude control over its movements. HeHearing:
successfully demonstrated this control in· More than 100,000 profoundly deaf
Córdoba, Spain in 1963 when he stood inpeople currently use a bionic ear (cochlear
the path of a charging cyborg bull and steered itimplants that rely on a direct neural connection)
away at the last moment.that stimulates hearing nerves in the inner ear to
· The Central Intelligence Agency (CIA)understand speech and other sounds. Research is
attempted to create its own cyborg in 1961 incurrently focused on enabling cochlear implant
Operation Acoustic Kitty, in which a cat was cutusers to differentiate between speech and other
open and fitted with an array of wires (one tobackground sounds.
override feelings such as hunger) and a listeningMind-Controlled Mobility:
device that utilized its tail as an antenna. The· Although research to provide mobility to
project was disbanded as a failure in 1967 whenand the ability for quadriplegics (that make up
the cat on its first mission (to eavesdrop on theabout 1.25 million of the world's population) to
Soviet compound in Washington, D.C.) was killedoperate major appliances such as a television and
by a moving taxi sending more than five years ofcomputer is still in its infancy, significant progress
intensive training and $15 million down the drain.is being made.o In 2008 a monkey successfully
Afterwards, cyborg research remained dormantmoved a robotic arm via neural implants. In
until the late 1980s, picking up steam a decadeanother instance, a rhesus monkey (Idoya)
later. By this time, science and technology hadlocated in North Carolina operated a robot in Japan
advanced significantly, especially with thethrough thought alone as part of the
miniaturization of devices and components.Computational Brain Project led by neuroscientist
As cybernetic technology is further developed andMiguel A.L. Nicolelis with researchers at Duke
refined, the seamless synthesis of organic andUniversity Medical Center and Japan Science and
artificial parts is likely to become widespreadTechnology Agency.o Researchers at Osaka
requiring modification of basic definitions of life andUniversity in Japan are currently working with four
its associated rights, creation of applicablehuman test subjects, each of whom has had an
international protocols and an adjustment inelectrode sheet placed directly on their brain so
thought perceptions. Cybernetic technology isthat they can determine the brain wave activity
likely to have three major applications:associated with arm, elbow, and finger movement
Military/Intelligence/Law Enforcement:to discern intended activity to allow
Early efforts involving animal experiments weremind-controlled movement of future prosthetics.
primarily aimed towards military/intelligence/lawCurrently the researchers can determine intended
enforcement applications. A few of the notableactivity with greater than 80% activity.o At the
experiments are listed below:same time, European scientists have created a
· Per an article by Bill Christensen of (Jacknon-intrusive brain-computer interface (BCI)
Into A Cat's Brain) scientists successfully(though still in the research and development
produced a video of a recognizable moving scenestage), that utilizes human brain activity and
as observed through a cat's eyes in 1999. Thisimbedded artificial intelligence to operate devices
was accomplished through the use of electrodes(e.g. computers, wheelchairs, artificial limbs). BCIs
that simultaneously recorded and cataloguedwill eventually afford quadriplegics mobility and
responses in the lateral geniculate nucleus (LGN)skills once unimaginable.
and 177 selected brain cells of a sharp-eyed cat.Cybernetic Limbs:
Though the images were not as sharp as those· Synthetic parts are routinely used for
seen by human eyes and recorded byhip and knee replacements. With regard to the
camcorders, technology continues to improve. Inlatter, a newly developed knee (presently under
the near future adjustments will likely enhancelimited release in the United States and the
clarity and quality of feline vision and cats selectedNetherlands) that synchronizes motion with a
for surveillance operations may even have theiruser's natural leg is so effective that its recipients
natural eyes replaced with cybernetic devicescan easily get up, climb stairs and even engage in
equipped with miniature cameras (a moralextreme sports.
concern).· An arm, dubbed the "Luke Arm" after
· In 2002, a team led by John Chapin atLuke Skywalker's character in Star Wars, was
the State University of New York (SUNY)developed in which movement can be controlled
created cyborg rats by implanting electrodes onby nerves, muscles, and Bluetooth®-activated
their brains. They were then trained to move inshoe pads enabling armless users to eat, pick up
accordance to impulses delivered via thetiny objects and utilize their prosthetic arms and
electrodes and to seek specific scents (e.g.hands in the same way people use natural arms
human, explosives, exploding dye, etc.). Whenand hands.
tested, each cyborg rat was fitted with a tiny· An Australian woman was fitted in 2009
camera to provide indication of mission success.with the world's first fully functioning artificial finger
The rats were then successfully guided to athat can curl and grip like a natural finger through
specific location via radio-controlled impulses.utilization of nerve endings.
Afterwards, the implants were powered down· Research is ongoing to find a way to
and as soon as the rats realized they were freegraft metal to bone so that skin can be grown
of their control, they went into a sniffing modearound it creating combination synthetic/biological
and successfully identified the source of a targetparts.
odor. The process took only a few minutes and· Efforts are also being made to give
was successfully duplicated in additional tests.prosthetic devices artificial intelligence in which
· In 2005, a team of scientists led by Sumicro-implants into muscles and nerves will enable
Xuecheng at the Shandong University of Scienceusers to move their new limbs solely by thought
and Technology in Qingdao, China, successfully(consistent with human control of natural limbs).
controlled pigeon flight (direction and ascentCardiac Treatment:
descent) via wireless signal transmitted to· Ventricular Assist Devices (VAD) are
electrodes implanted onto their brains from acurrently in use by patients who although they
laptop computer. Similarly, in 2006, Jelle Atema ofhave some heart function, require artificial
Boston University controlled directional movementassistance to sustain their lives.
of a spring dogfish (a small type of shark) via a· Artificial hearts have been developed
neural implant that stimulated the left or rightwith the CardioWest temporary Total Artificial
olfactory area of its brain.Heart (TAH-t) and AbioCor Replacement Heart
In light of such success, the U.S. Department ofhaving been approved for human use by the
Defense (DoD) and U.S. Defense AdvancedFood and Drug Administration (FDA). However,
Projects Agency (DARPA), the latter which hasresearch and development is ongoing for a
been disbanded, have also made significantpermanent device. Presently artificial hearts have
progress. The latest phase of the DoD's efforts -been generally used on a temporary basis (until a
the development of Hybrid Insect Micro-Electrodonor heart could be found) with a few
Mechanical Systems (HI-MEMS) - is focused onexceptions. In one such exception, a patient
"small" (to create inconspicuous cyborgs) andsurvived 512 days with an AbioCor device.
reliance on insect flight, which is unmatched withAlzheimer's/Parkinson's Disease and Epilepsy:
regard to agility. Experiments have been· Per the BBC (13 August 2008)
conducted on beetles, flies and moths.researchers (in 2008) at the University of
Since 2008 several milestones have beenReading, in Reading, UK created a multi-electrode
accomplished:array consisting of about 300,000 neurons
· Tobacco hornworms fitted withextracted from a rat fetus to control robotic
miniature electronic implants survived and grewmovement. The cells, kept separate from the
into adult Manduca moths with no complications.robot in a temperature-controlled container (filled
X-rays unveiled at the 2008 Micro-Electrowith a pink broth solution) fitted with electrodes
Mechanical Systems (MEMS) conference held incommunicated via Bluetooth® short-wave
Tucson, Arizona showed good tissue growthradio. The objective is to gain a better
around probes that had been implanted whereunderstanding of neurons with the hope of
abdominal segments would have grown during thediscovering effective treatments for Alzheimers's,
larval stage after a portion of their thorax wasParkinson's Disease (both debilitating neurological
removed to make room for the implants.disorders; Alzheimer's adversely impacts memory
Hookworms fitted with cybernetic deviceswhile Parkinson's disease is characterized by
showed no signs of complications, adversemuscle rigidity, tremors, slowed physical
impairments or rejection during metamorphosis.movement, and impaired speech and involuntary
· A video, created at the Boycefunctions), and epilepsy (a common neurological
Thompson Institute in Ithaca, New Yorkdisorder characterized by repeated, spontaneous
documenting successful control of moth flight wasseizures).
also shown during the 2008 MEMS conference.Robotics/Computer Technology:
Moth movement was controlled by a series ofFuture robots and computers are likely to utilize
5-volt shocks that stimulated their wing musclesliving and non-living components alike. Potentially,
delivered via tethered wires. Uniform stimulithis could be extremely problematic if such
determined wing-speed resulting in ascent/descenttechnology is applied in a malevolent or unethical
while stimuli applied to wing muscles on one sideway since it could lead to a new generation of
or the other determined direction.slaves. Accordingly, international protocols (including
· A similar process used by a team ofthose pertaining to the ethical treatment of
researchers led by Michel Maharbiz of theanimals) and other safeguards will be required to
University of California (UNC) Berkeley succeededaddress these issues as cybernetic technology
with Green June Beetles. Negative impulses fromevolves.
neural implants (transmitted via tethered wires)In the meantime, a team of scientists led by
activated the beetles' wings resulting in ascent;Charles Higgins of the University of Arizona
positive impulses halted their wing movementTucson is seeking to transform insects into
resulting in descent. Lift and descent were"high-level sensory robotic controllers [since]
controlled by rapid switching between the twoartificial vision (which is costly) [currently] can't
types of impulses. At the same time, directionalbeat living systems, which are honed to recognize
control of beetle flight was achieved in two waysobjects or detect motion"[1]
- via a mounted LED in front of their eyes and byAt the same time, scientists at IBM's Almaden
impulses to either its left or right basilar muscle.Research Center and the California Institute of
· The same UNC Berkeley team unveiledTechnology are in the process of developing a
a wireless system that successfully controllednew generation of microprocessors that utilize
Rhinoceros Beetle flight during the 2009 MEMSliving DNA with the objective of creating smaller,
conference held in Sorrento, Italy.faster, and cheaper devices.
The present objective of the DoD fundedConclusion:
research is to create insect cyborgs that can beCyborgs, once relegated to science fiction have
remotely controlled from at least 100 metersbecome scientific reality providing vast military
away, directed to land within a maximum of 5intelligence/law enforcement, medical, and
meters from a target subject, and remain theretechnological prospects. If cybernetic technology is
until directed to leave. When this is successfullyused benevolently and ethically where human
mastered (overcoming barriers such as highthought remains the primary driver in lieu of
winds), miniature cameras can be implanted forimposed mind-control, it will open new windows of
surveillance, sensors to detect biological, chemical,opportunity - providing greater freedom and
or radiological agents, and tiny weapons (utilizingimproved standards of life, to quadriplegics
potent poisons and hallucinogenic drugs) to attacktrapped in their own bodies, to the blind
potential targets.imprisoned in a world of darkness, to the deaf
Medical:confined in a prison of silence, and to people who
The second major application of cyberneticwith age or injury, will need seamless synthetic
research is to develop technology to medicallyreplacement parts for those worn down or
restore or enhance human capabilities (e.g. vision -destroyed. It will also expand human capabilities
limited with regard to distance, viewing and smallwith regard to speed, sight, communication, and
objects, etc.; communication - limited to speechendurance. Finally, when such technology gains
and writing).widespread acceptance and use, it is likely that
In 2002, Kevin Warwick, a leading expert onthe majority of the human race will be cyborg,
cybernetic technology became the world's firstthough not in the way envisioned by science
human cyborg (documented in I, Cyborg,fiction.
University of Illinois Press, Chicago, IL, 2004) in an_________
effort to facilitate research aimed at these[1] The cyborg animal spies hatching in the lab.
objectives. A 3-millimeter-wide silicon square withNew Scientist. 6 March 2008.