Table 1.

Phenotype data for 10 participants with childhood apraxia of speech^a

Participants				Familial statusc	Cognitive impairmentd	Language impairment			Motor impairment
Participant no.	Gender	Age group (yr)b	Years of apraxia treatment			Onsete	Comprehensionf	Expressionf	Grossg	Oral nonverbalh
1	M	C	7+	+	+	+	+	+	+	+
2	M	A	3	+		+		+	+	ND
3	F	C	6	ND		+	+	+	ND	ND
4	M	C	6			+	+	+		+
5	F	C	7+	+	+	+	+	+	+	ND
6	F	A	5			+	+	+	+	+
7	F	B	4	+		ND			+	+
8	M	B	3		+	+	ND	ND	+	+
9	F	A	4			+	+		+	+
10	M	B	5	+		+	+	+	+	+

^aPlus signs indicate impairment. Blank cells indicate negative history or performance within normal limits. ND indicates no available data. ^bAge groups: A = 3 to 6 years; B = 7 to 9 years; C = 10 to 19 years. ^cOne or more nuclear family members with a verbal trait disorder, including speech disorder, language disorder, reading disorder, cognitive disability or learning disability. ^dComposite IQ <85 [72]. ^eLate onset of babbling, first word, two words together or short phrases per parent report, ^fListening Comprehension and Oral Expression Scales standard scores <85 [73]. ^gParent report or history of physical or occupational therapy. ^hOral nonverbal motor assessment tasks.