Can children with (central) auditory processing disorders ignore irrelevant sounds?

Area of Science:

• Neuroscience
• Developmental Psychology
• Audiology

Background:

• Auditory processing disorders (APD) affect sound perception and can impact cognitive functions like memory.
• The impact of irrelevant auditory stimuli on memory recall in children with APD is not fully understood.
• Understanding these effects is crucial for developing effective educational and therapeutic strategies.

Purpose of the Study:

• To investigate the impact of irrelevant sounds (tones and speech) on serial recall performance in children with (central) auditory processing disorders [(C)APD].
• To compare the disruptive effects of irrelevant sounds between children with (C)APD and age-matched control groups.
• To explore potential differences in speech processing between children with (C)APD and typically developing peers.

Main Methods:

• Visually presented digits were used for serial recall tasks.
• Irrelevant auditory stimuli, including tones and speech, were introduced during the memory task.
• Performance was assessed in three groups: children with (C)APD and two control groups.

Main Results:

• All three groups experienced significant disruption in memory performance when irrelevant sounds were present.
• While irrelevant speech was more disruptive than tones for control groups, this difference was not observed in the (C)APD group.
• Children with (C)APD did not exhibit greater disruption from irrelevant speech compared to irrelevant tones.

Conclusions:

• Children with (C)APD process speech differently than typically developing children.
• The findings suggest that auditory training and smaller class sizes may benefit children with (C)APD.
• Memory performance in children with APD is susceptible to auditory distractions, with unique patterns compared to controls.