What do less accurate singers remember? Pitch-matching ability and long-term memory for music

Area of Science:

• Cognitive Psychology
• Music Cognition
• Neuroscience

Background:

• Understanding melodic memory is incomplete, especially for novel tunes.
• Individual differences in melodic memory are significant.
• Pitch accuracy is hypothesized to correlate with melodic memory.

Purpose of the Study:

• To investigate the relationship between pitch reproduction accuracy and melodic memory.
• To explore the role of sensorimotor codes in melodic memory.
• To examine the Vocal Memory Advantage (VMA) and its relation to pitch accuracy.

Main Methods:

• Experiment 1: Assessed episodic memory for new melodies (sung vs. instrumental) in nonmusicians, correlating with pitch matching.
• Experiment 2: Tested long-term memory for familiar song starting pitches using keyboard recall.
• Both experiments measured participants' ability to accurately reproduce pitches.

Main Results:

• The Vocal Memory Advantage (VMA) was replicated.
• Pitch accuracy showed a modest correlation with memory for piano-timbre melodies, but not with the VMA.
• Better pitch matchers demonstrated higher accuracy in recalling familiar song starting pitches.

Conclusions:

• Sensorimotor coding may support the storage and retrieval of precise melodic information.
• Sensorimotor codes appear less critical for initial melody encoding, which relies on features like pitch contour and tonality.
• Pitch accuracy is a relevant factor for long-term melodic memory, particularly for exact pitch recall.