Subject: Re: Phoneme categorization in noise From: =?iso-8859-1?Q?Jos=E9_Ignacio_Alc=E1ntara?= <jia10@xxxxxxxx> Date: Wed, 15 Feb 2012 12:31:53 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--Apple-Mail-31-962079267 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Are you using real speech or synthetic-speech tokens Daniela? If the = latter, what acoustic cue are you varying in the /pa-ba/ continuum? = VOT? F1 cutback? etc. Jos=E9 On 15 Feb 2012, at 12:00, Daniela Sammler wrote: > Dear list, >=20 > I need to increase the difficulty of a phoneme categorization task = (e.g. "ba" vs "pa"). One possibility would be to present the phonemes in = noise to receive a shallower psychometric function.=20 >=20 > Is this the way to go or is there any other/better way to increase = difficulty in phoneme categorization? >=20 > Thank you very much! > Kind regards, > Daniela >=20 >=20 > --=20 > Daniela SAMMLER, Ph.D. > Max Planck Institute for=20 > Human Cognitive and Brain Sciences > Stephanstr. 1a > 04103 Leipzig > phone: +49 341 9940 2679 > fax: +49 341 9940 2260 Dr Jos=E9 Ignacio Alc=E1ntara Department of Experimental Psychology University of Cambridge Downing Street Cambridge, UK CB2 3EB Phone: 44 (0)1223 764412 Fax: 44 (0)1223 333564 Fellow of Fitzwilliam College Cambridge, UK CB3 0DG Phone: 44 (0)1223 332026 --Apple-Mail-31-962079267 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 <html><head></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Are = you using real speech or synthetic-speech tokens Daniela? If the = latter, what acoustic cue are you varying in the /pa-ba/ continuum? = VOT? F1 cutback? etc.<div>Jos=E9</div><div><br><div><div>On 15 Feb = 2012, at 12:00, Daniela Sammler wrote:</div><br = class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div>Dear = list,<br><br>I need to increase the difficulty of a phoneme = categorization task (e.g. "ba" vs "pa"). One possibility would be to = present the phonemes in noise to receive a shallower psychometric = function. <br><br>Is this the way to go or is there any other/better way = to increase difficulty in phoneme categorization?<br><br>Thank you very = much!<br>Kind regards,<br>Daniela<br><br><br>-- <br>Daniela SAMMLER, = Ph.D.<br>Max Planck Institute for <br>Human Cognitive and Brain = Sciences<br>Stephanstr. 1a<br>04103 Leipzig<br>phone: +49 341 9940 = 2679<br>fax: +49 341 9940 = 2260<br></div></blockquote></div><br><div> <span class=3D"Apple-style-span" style=3D"border-collapse: separate; = color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; = font-variant: normal; font-weight: normal; letter-spacing: normal; = line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: = 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: = 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span = class=3D"Apple-style-span" style=3D"border-collapse: separate; color: = rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: = normal; font-weight: normal; letter-spacing: normal; line-height: = normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: = normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: = 0px; -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div = style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "><span class=3D"Apple-style-span" = style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: = Helvetica; font-style: normal; font-variant: normal; font-weight: = normal; letter-spacing: normal; line-height: normal; orphans: 2; = text-indent: 0px; text-transform: none; white-space: normal; widows: 2; = word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div = style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "><span class=3D"Apple-style-span" = style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: = Helvetica; font-style: normal; font-variant: normal; font-weight: = normal; letter-spacing: normal; line-height: normal; orphans: 2; = text-indent: 0px; text-transform: none; white-space: normal; widows: 2; = word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div = style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "><span class=3D"Apple-style-span" = style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: = Helvetica; font-style: normal; font-variant: normal; font-weight: = normal; letter-spacing: normal; line-height: normal; orphans: 2; = text-indent: 0px; text-transform: none; white-space: normal; widows: 2; = word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div = style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "><div>Dr Jos=E9 Ignacio = Alc=E1ntara<br><br>Department of Experimental Psychology<br>University = of Cambridge<br>Downing Street<br>Cambridge, UK<br>CB2 3EB<br>Phone: 44 = (0)1223 764412<br>Fax: 44 (0)1223 333564<br><br>Fellow of Fitzwilliam = College<br>Cambridge, UK<br>CB3 0DG<br>Phone: 44 (0)1223 = 332026</div></div></span><br = class=3D"Apple-interchange-newline"></div></span><br = class=3D"Apple-interchange-newline"></div></span><br = class=3D"Apple-interchange-newline"></div></span><br = class=3D"Apple-interchange-newline"></span><br = class=3D"Apple-interchange-newline"> </div> <br></div></body></html>= --Apple-Mail-31-962079267--