ABA Fundamentals

Visually guided catching and tracking skills in pigeons: A preliminary analysis.

Rilling et al. (1989) · Journal of the experimental analysis of behavior 1989
★ The Verdict

Pigeons can learn to track and catch a moving video target and immediately adjust when the path changes.

✓ Read this if BCBAs teaching motor flexibility to learners with autism or developmental delays.
✗ Skip if Clinicians focused only on verbal or social targets.

01Research in Context

01

What this study did

Researchers taught pigeons to catch a moving dot on a video screen. The birds had to peck the dot as it slid across the monitor.

When the pigeon hit the dot, the screen flashed and grain dropped. This happened many times each day. The path of the dot changed without warning.

02

What they found

The pigeons learned the game in one session. They switched tactics right away when the dot moved faster or curved a new way.

The birds did not freeze or keep using the old tactic. They tracked the new path and still earned grain.

03

How this fits with other research

Quilitch et al. (1973) saw the opposite. Their pigeons got stuck in rigid peck patterns even when the rules rewarded change. The difference is the task. In 1973 the cue was the same key color every trial, so birds repeated one sequence. Here the cue was the moving dot itself, so the birds had to keep adjusting.

Najdowski et al. (2003) also found fast change, but in choice, not motor skill. Their birds re-picked keys daily when delays shifted. Together the three papers show: pigeons can be flexible or rigid depending on what the cue makes relevant.

Mintz et al. (1966) showed that small visual cues inside a task cut errors. The catching study extends that idea: the whole moving target acts as one big cue that guides smooth motion instead of single pecks.

04

Why it matters

You can use moving targets on a tablet to teach flexible motor skills to learners who get stuck in repetitive loops. Start with slow, straight paths and flash a favorite item the moment they touch the target. Then bend the path or speed it up. The learner practices shifting movement in real time, not just repeating the same swipe.

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Put a chasing game on a tablet: let the learner tap a moving icon to earn a token, then change the speed and praise the new move.

02At a glance

Intervention
other
Design
single case other
Population
not specified
Finding
positive

03Original abstract

Research on reaching, tracking, and catching in the pigeon has been hampered by limitations of technology. A new system was developed in which the target was a small rectangle presented on a video display terminal and the pecking response was detected with touch technology. The target moved up and down vertically with sinusoidal velocity. A coincidence between the location of the pigeon's beak and the cursor produced reinforcement. The pigeon pecked ahead and behind the target, but most pecks occurred behind the target so the dominant tracking strategy was lagging. The pigeon was adept at "catching" the target at many locations throughout the trajectory. Transfer of motor learning was tested on probe trials during which the trajectory changed from vertical to horizontal. On transfer trials the pigeons' dominant pattern of pecking immediately shifted from vertical to horizontal. The motor skill displayed by the pigeons was flexible and adaptive, suggesting that the pigeons had learned to track the cursor.

Journal of the experimental analysis of behavior, 1989 · doi:10.1901/jeab.1989.52-377